Home / 21,061,637.80-31,592,456.70-18,227,285.80

Finding the Fourth Proportional to 21,061,637.80, 31,592,456.70 and 18,227,285.80

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Solution

The fourth proportional to 21,061,637.80, 31,592,456.70 and 18,227,285.80 is: 27,340,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,637.80 : 31,592,456.70 = 18,227,285.80 : x
  2. Step 2: Convert to fraction form
    21,061,637.80/31,592,456.70 = 18,227,285.80/x
  3. Step 3: Cross multiply
    21,061,637.80x = 31,592,456.70 × 18,227,285.80
  4. Step 4: Simplify right side
    21,061,637.80x = 575,844,737,395,024.88
  5. Step 5: Solve for x
    x = 575,844,737,395,024.88/21,061,637.80
  6. Step 6: Final answer
    x = 27,340,928.70

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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.