Home / 21,294,583.20-31,941,874.80-9,169,855.20

Finding the Fourth Proportional to 21,294,583.20, 31,941,874.80 and 9,169,855.20

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Solution

The fourth proportional to 21,294,583.20, 31,941,874.80 and 9,169,855.20 is: 13,754,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,583.20 : 31,941,874.80 = 9,169,855.20 : x
  2. Step 2: Convert to fraction form
    21,294,583.20/31,941,874.80 = 9,169,855.20/x
  3. Step 3: Cross multiply
    21,294,583.20x = 31,941,874.80 × 9,169,855.20
  4. Step 4: Simplify right side
    21,294,583.20x = 292,902,366,732,528.94
  5. Step 5: Solve for x
    x = 292,902,366,732,528.94/21,294,583.20
  6. Step 6: Final answer
    x = 13,754,782.80

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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.