Home / 29,103,223.52-40,162,488.30-15,872,432.40

Finding the Fourth Proportional to 29,103,223.52, 40,162,488.30 and 15,872,432.40

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Solution

The fourth proportional to 29,103,223.52, 40,162,488.30 and 15,872,432.40 is: 21,903,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103,223.52 : 40,162,488.30 = 15,872,432.40 : x
  2. Step 2: Convert to fraction form
    29,103,223.52/40,162,488.30 = 15,872,432.40/x
  3. Step 3: Cross multiply
    29,103,223.52x = 40,162,488.30 × 15,872,432.40
  4. Step 4: Simplify right side
    29,103,223.52x = 637,476,380,557,540.88
  5. Step 5: Solve for x
    x = 637,476,380,557,540.88/29,103,223.52
  6. Step 6: Final answer
    x = 21,903,978.44

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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.