Home / 42,017,436.80-62,991,163.20-17,774,979.20

Finding the Fourth Proportional to 42,017,436.80, 62,991,163.20 and 17,774,979.20

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Solution

The fourth proportional to 42,017,436.80, 62,991,163.20 and 17,774,979.20 is: 26,647,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017,436.80 : 62,991,163.20 = 17,774,979.20 : x
  2. Step 2: Convert to fraction form
    42,017,436.80/62,991,163.20 = 17,774,979.20/x
  3. Step 3: Cross multiply
    42,017,436.80x = 62,991,163.20 × 17,774,979.20
  4. Step 4: Simplify right side
    42,017,436.80x = 1,119,666,615,663,805.50
  5. Step 5: Solve for x
    x = 1,119,666,615,663,805.50/42,017,436.80
  6. Step 6: Final answer
    x = 26,647,665.85

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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.