Home / 10,366,288.30-15,549,432.45-7,712,080.30

Finding the Fourth Proportional to 10,366,288.30, 15,549,432.45 and 7,712,080.30

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Solution

The fourth proportional to 10,366,288.30, 15,549,432.45 and 7,712,080.30 is: 11,568,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,288.30 : 15,549,432.45 = 7,712,080.30 : x
  2. Step 2: Convert to fraction form
    10,366,288.30/15,549,432.45 = 7,712,080.30/x
  3. Step 3: Cross multiply
    10,366,288.30x = 15,549,432.45 × 7,712,080.30
  4. Step 4: Simplify right side
    10,366,288.30x = 119,918,471,673,825.72
  5. Step 5: Solve for x
    x = 119,918,471,673,825.72/10,366,288.30
  6. Step 6: Final answer
    x = 11,568,120.45

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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.