Home / 15,871,854.60-21,904,872.12-8,995,598.28

Finding the Fourth Proportional to 15,871,854.60, 21,904,872.12 and 8,995,598.28

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Solution

The fourth proportional to 15,871,854.60, 21,904,872.12 and 8,995,598.28 is: 12,414,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871,854.60 : 21,904,872.12 = 8,995,598.28 : x
  2. Step 2: Convert to fraction form
    15,871,854.60/21,904,872.12 = 8,995,598.28/x
  3. Step 3: Cross multiply
    15,871,854.60x = 21,904,872.12 × 8,995,598.28
  4. Step 4: Simplify right side
    15,871,854.60x = 197,047,429,966,291.94
  5. Step 5: Solve for x
    x = 197,047,429,966,291.94/15,871,854.60
  6. Step 6: Final answer
    x = 12,414,896.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.