Home / 10,257,904.30-15,386,856.45-9,785,512.30

Finding the Fourth Proportional to 10,257,904.30, 15,386,856.45 and 9,785,512.30

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Solution

The fourth proportional to 10,257,904.30, 15,386,856.45 and 9,785,512.30 is: 14,678,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,904.30 : 15,386,856.45 = 9,785,512.30 : x
  2. Step 2: Convert to fraction form
    10,257,904.30/15,386,856.45 = 9,785,512.30/x
  3. Step 3: Cross multiply
    10,257,904.30x = 15,386,856.45 × 9,785,512.30
  4. Step 4: Simplify right side
    10,257,904.30x = 150,568,273,049,809.34
  5. Step 5: Solve for x
    x = 150,568,273,049,809.34/10,257,904.30
  6. Step 6: Final answer
    x = 14,678,268.45

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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.