Home / 38,636,700.70-57,955,051.05-28,999,903.90

Finding the Fourth Proportional to 38,636,700.70, 57,955,051.05 and 28,999,903.90

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Solution

The fourth proportional to 38,636,700.70, 57,955,051.05 and 28,999,903.90 is: 43,499,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636,700.70 : 57,955,051.05 = 28,999,903.90 : x
  2. Step 2: Convert to fraction form
    38,636,700.70/57,955,051.05 = 28,999,903.90/x
  3. Step 3: Cross multiply
    38,636,700.70x = 57,955,051.05 × 28,999,903.90
  4. Step 4: Simplify right side
    38,636,700.70x = 1,680,690,910,969,594
  5. Step 5: Solve for x
    x = 1,680,690,910,969,594/38,636,700.70
  6. Step 6: Final answer
    x = 43,499,855.85

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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.