Home / 20,323,888.95-28,008,304.97-19,950,385.80

Finding the Fourth Proportional to 20,323,888.95, 28,008,304.97 and 19,950,385.80

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Solution

The fourth proportional to 20,323,888.95, 28,008,304.97 and 19,950,385.80 is: 27,493,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,888.95 : 28,008,304.97 = 19,950,385.80 : x
  2. Step 2: Convert to fraction form
    20,323,888.95/28,008,304.97 = 19,950,385.80/x
  3. Step 3: Cross multiply
    20,323,888.95x = 28,008,304.97 × 19,950,385.80
  4. Step 4: Simplify right side
    20,323,888.95x = 558,776,489,655,805.50
  5. Step 5: Solve for x
    x = 558,776,489,655,805.50/20,323,888.95
  6. Step 6: Final answer
    x = 27,493,581.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.