Home / 10,366,285.40-15,549,428.10-10,206,853.10

Finding the Fourth Proportional to 10,366,285.40, 15,549,428.10 and 10,206,853.10

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Solution

The fourth proportional to 10,366,285.40, 15,549,428.10 and 10,206,853.10 is: 15,310,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,285.40 : 15,549,428.10 = 10,206,853.10 : x
  2. Step 2: Convert to fraction form
    10,366,285.40/15,549,428.10 = 10,206,853.10/x
  3. Step 3: Cross multiply
    10,366,285.40x = 15,549,428.10 × 10,206,853.10
  4. Step 4: Simplify right side
    10,366,285.40x = 158,710,728,405,712.09
  5. Step 5: Solve for x
    x = 158,710,728,405,712.09/10,366,285.40
  6. Step 6: Final answer
    x = 15,310,279.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.