Home / 42,563,747.80-63,854,952.90-13,804,989.40

Finding the Fourth Proportional to 42,563,747.80, 63,854,952.90 and 13,804,989.40

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Solution

The fourth proportional to 42,563,747.80, 63,854,952.90 and 13,804,989.40 is: 20,710,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563,747.80 : 63,854,952.90 = 13,804,989.40 : x
  2. Step 2: Convert to fraction form
    42,563,747.80/63,854,952.90 = 13,804,989.40/x
  3. Step 3: Cross multiply
    42,563,747.80x = 63,854,952.90 × 13,804,989.40
  4. Step 4: Simplify right side
    42,563,747.80x = 881,516,947,921,999.25
  5. Step 5: Solve for x
    x = 881,516,947,921,999.25/42,563,747.80
  6. Step 6: Final answer
    x = 20,710,510.55

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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.