Home / 25,686,753.72-35,452,869.87-15,238,569.45

Finding the Fourth Proportional to 25,686,753.72, 35,452,869.87 and 15,238,569.45

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Solution

The fourth proportional to 25,686,753.72, 35,452,869.87 and 15,238,569.45 is: 21,032,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686,753.72 : 35,452,869.87 = 15,238,569.45 : x
  2. Step 2: Convert to fraction form
    25,686,753.72/35,452,869.87 = 15,238,569.45/x
  3. Step 3: Cross multiply
    25,686,753.72x = 35,452,869.87 × 15,238,569.45
  4. Step 4: Simplify right side
    25,686,753.72x = 540,251,019,715,807.38
  5. Step 5: Solve for x
    x = 540,251,019,715,807.38/25,686,753.72
  6. Step 6: Final answer
    x = 21,032,280.90

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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.