Home / 10,366,320.30-15,549,480.45-7,712,112.30

Finding the Fourth Proportional to 10,366,320.30, 15,549,480.45 and 7,712,112.30

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Solution

The fourth proportional to 10,366,320.30, 15,549,480.45 and 7,712,112.30 is: 11,568,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,320.30 : 15,549,480.45 = 7,712,112.30 : x
  2. Step 2: Convert to fraction form
    10,366,320.30/15,549,480.45 = 7,712,112.30/x
  3. Step 3: Cross multiply
    10,366,320.30x = 15,549,480.45 × 7,712,112.30
  4. Step 4: Simplify right side
    10,366,320.30x = 119,919,339,437,054.53
  5. Step 5: Solve for x
    x = 119,919,339,437,054.53/10,366,320.30
  6. Step 6: Final answer
    x = 11,568,168.45

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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.