Home / 42,262,762.80-63,407,761.92-19,241,934.24

Finding the Fourth Proportional to 42,262,762.80, 63,407,761.92 and 19,241,934.24

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Solution

The fourth proportional to 42,262,762.80, 63,407,761.92 and 19,241,934.24 is: 28,869,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,262,762.80 : 63,407,761.92 = 19,241,934.24 : x
  2. Step 2: Convert to fraction form
    42,262,762.80/63,407,761.92 = 19,241,934.24/x
  3. Step 3: Cross multiply
    42,262,762.80x = 63,407,761.92 × 19,241,934.24
  4. Step 4: Simplify right side
    42,262,762.80x = 1,220,087,985,170,216
  5. Step 5: Solve for x
    x = 1,220,087,985,170,216/42,262,762.80
  6. Step 6: Final answer
    x = 28,869,101.41

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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.