Home / 13,485,726.10-20,247,251.55-10,649,041.30

Finding the Fourth Proportional to 13,485,726.10, 20,247,251.55 and 10,649,041.30

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Solution

The fourth proportional to 13,485,726.10, 20,247,251.55 and 10,649,041.30 is: 15,988,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,726.10 : 20,247,251.55 = 10,649,041.30 : x
  2. Step 2: Convert to fraction form
    13,485,726.10/20,247,251.55 = 10,649,041.30/x
  3. Step 3: Cross multiply
    13,485,726.10x = 20,247,251.55 × 10,649,041.30
  4. Step 4: Simplify right side
    13,485,726.10x = 215,613,817,967,439.03
  5. Step 5: Solve for x
    x = 215,613,817,967,439.03/13,485,726.10
  6. Step 6: Final answer
    x = 15,988,298.77

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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.