Home / 28,055,761.70-42,060,314.55-11,894,123.30

Finding the Fourth Proportional to 28,055,761.70, 42,060,314.55 and 11,894,123.30

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Solution

The fourth proportional to 28,055,761.70, 42,060,314.55 and 11,894,123.30 is: 17,831,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055,761.70 : 42,060,314.55 = 11,894,123.30 : x
  2. Step 2: Convert to fraction form
    28,055,761.70/42,060,314.55 = 11,894,123.30/x
  3. Step 3: Cross multiply
    28,055,761.70x = 42,060,314.55 × 11,894,123.30
  4. Step 4: Simplify right side
    28,055,761.70x = 500,270,567,294,484
  5. Step 5: Solve for x
    x = 500,270,567,294,484/28,055,761.70
  6. Step 6: Final answer
    x = 17,831,295.14

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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.