Home / 21,068,104.38-31,602,156.57-5,922,035.88

Finding the Fourth Proportional to 21,068,104.38, 31,602,156.57 and 5,922,035.88

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Solution

The fourth proportional to 21,068,104.38, 31,602,156.57 and 5,922,035.88 is: 8,883,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,104.38 : 31,602,156.57 = 5,922,035.88 : x
  2. Step 2: Convert to fraction form
    21,068,104.38/31,602,156.57 = 5,922,035.88/x
  3. Step 3: Cross multiply
    21,068,104.38x = 31,602,156.57 × 5,922,035.88
  4. Step 4: Simplify right side
    21,068,104.38x = 187,149,105,092,917.72
  5. Step 5: Solve for x
    x = 187,149,105,092,917.72/21,068,104.38
  6. Step 6: Final answer
    x = 8,883,053.82

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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.