Home / 21,032,529.30-31,548,793.95-9,695,121.30

Finding the Fourth Proportional to 21,032,529.30, 31,548,793.95 and 9,695,121.30

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Solution

The fourth proportional to 21,032,529.30, 31,548,793.95 and 9,695,121.30 is: 14,542,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,529.30 : 31,548,793.95 = 9,695,121.30 : x
  2. Step 2: Convert to fraction form
    21,032,529.30/31,548,793.95 = 9,695,121.30/x
  3. Step 3: Cross multiply
    21,032,529.30x = 31,548,793.95 × 9,695,121.30
  4. Step 4: Simplify right side
    21,032,529.30x = 305,869,384,213,956.12
  5. Step 5: Solve for x
    x = 305,869,384,213,956.12/21,032,529.30
  6. Step 6: Final answer
    x = 14,542,681.95

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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.