Home / 22,019,925.70-33,029,888.55-21,138,127.30

Finding the Fourth Proportional to 22,019,925.70, 33,029,888.55 and 21,138,127.30

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Solution

The fourth proportional to 22,019,925.70, 33,029,888.55 and 21,138,127.30 is: 31,707,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,925.70 : 33,029,888.55 = 21,138,127.30 : x
  2. Step 2: Convert to fraction form
    22,019,925.70/33,029,888.55 = 21,138,127.30/x
  3. Step 3: Cross multiply
    22,019,925.70x = 33,029,888.55 × 21,138,127.30
  4. Step 4: Simplify right side
    22,019,925.70x = 698,189,988,874,712.50
  5. Step 5: Solve for x
    x = 698,189,988,874,712.50/22,019,925.70
  6. Step 6: Final answer
    x = 31,707,190.95

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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.