Home / 29,068,658.40-40,114,377.68-15,838,386.72

Finding the Fourth Proportional to 29,068,658.40, 40,114,377.68 and 15,838,386.72

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Solution

The fourth proportional to 29,068,658.40, 40,114,377.68 and 15,838,386.72 is: 21,856,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068,658.40 : 40,114,377.68 = 15,838,386.72 : x
  2. Step 2: Convert to fraction form
    29,068,658.40/40,114,377.68 = 15,838,386.72/x
  3. Step 3: Cross multiply
    29,068,658.40x = 40,114,377.68 × 15,838,386.72
  4. Step 4: Simplify right side
    29,068,658.40x = 635,347,026,727,976.38
  5. Step 5: Solve for x
    x = 635,347,026,727,976.38/29,068,658.40
  6. Step 6: Final answer
    x = 21,856,771.58

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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.