Home / 28,177,273.76-42,236,411.45-11,791,946.10

Finding the Fourth Proportional to 28,177,273.76, 42,236,411.45 and 11,791,946.10

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Solution

The fourth proportional to 28,177,273.76, 42,236,411.45 and 11,791,946.10 is: 17,675,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,273.76 : 42,236,411.45 = 11,791,946.10 : x
  2. Step 2: Convert to fraction form
    28,177,273.76/42,236,411.45 = 11,791,946.10/x
  3. Step 3: Cross multiply
    28,177,273.76x = 42,236,411.45 × 11,791,946.10
  4. Step 4: Simplify right side
    28,177,273.76x = 498,049,487,137,669.81
  5. Step 5: Solve for x
    x = 498,049,487,137,669.81/28,177,273.76
  6. Step 6: Final answer
    x = 17,675,573.99

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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.