Home / 42,127,967.80-63,156,959.70-17,885,510.20

Finding the Fourth Proportional to 42,127,967.80, 63,156,959.70 and 17,885,510.20

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Solution

The fourth proportional to 42,127,967.80, 63,156,959.70 and 17,885,510.20 is: 26,813,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127,967.80 : 63,156,959.70 = 17,885,510.20 : x
  2. Step 2: Convert to fraction form
    42,127,967.80/63,156,959.70 = 17,885,510.20/x
  3. Step 3: Cross multiply
    42,127,967.80x = 63,156,959.70 × 17,885,510.20
  4. Step 4: Simplify right side
    42,127,967.80x = 1,129,594,446,915,339
  5. Step 5: Solve for x
    x = 1,129,594,446,915,339/42,127,967.80
  6. Step 6: Final answer
    x = 26,813,409.38

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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.