Home / 28,096,276.20-42,144,414.30-7,898,893.80

Finding the Fourth Proportional to 28,096,276.20, 42,144,414.30 and 7,898,893.80

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Solution

The fourth proportional to 28,096,276.20, 42,144,414.30 and 7,898,893.80 is: 11,848,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096,276.20 : 42,144,414.30 = 7,898,893.80 : x
  2. Step 2: Convert to fraction form
    28,096,276.20/42,144,414.30 = 7,898,893.80/x
  3. Step 3: Cross multiply
    28,096,276.20x = 42,144,414.30 × 7,898,893.80
  4. Step 4: Simplify right side
    28,096,276.20x = 332,894,252,818,901.31
  5. Step 5: Solve for x
    x = 332,894,252,818,901.31/28,096,276.20
  6. Step 6: Final answer
    x = 11,848,340.70

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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.