Home / 10,366,601.18-15,549,901.77-7,138,097.10

Finding the Fourth Proportional to 10,366,601.18, 15,549,901.77 and 7,138,097.10

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Solution

The fourth proportional to 10,366,601.18, 15,549,901.77 and 7,138,097.10 is: 10,707,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,601.18 : 15,549,901.77 = 7,138,097.10 : x
  2. Step 2: Convert to fraction form
    10,366,601.18/15,549,901.77 = 7,138,097.10/x
  3. Step 3: Cross multiply
    10,366,601.18x = 15,549,901.77 × 7,138,097.10
  4. Step 4: Simplify right side
    10,366,601.18x = 110,996,708,729,721.86
  5. Step 5: Solve for x
    x = 110,996,708,729,721.86/10,366,601.18
  6. Step 6: Final answer
    x = 10,707,145.66

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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.