Home / 42,026,689.43-63,010,264.30-18,670,604.48

Finding the Fourth Proportional to 42,026,689.43, 63,010,264.30 and 18,670,604.48

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Solution

The fourth proportional to 42,026,689.43, 63,010,264.30 and 18,670,604.48 is: 27,992,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,026,689.43 : 63,010,264.30 = 18,670,604.48 : x
  2. Step 2: Convert to fraction form
    42,026,689.43/63,010,264.30 = 18,670,604.48/x
  3. Step 3: Cross multiply
    42,026,689.43x = 63,010,264.30 × 18,670,604.48
  4. Step 4: Simplify right side
    42,026,689.43x = 1,176,439,722,563,836.25
  5. Step 5: Solve for x
    x = 1,176,439,722,563,836.25/42,026,689.43
  6. Step 6: Final answer
    x = 27,992,681.29

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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.