Home / 21,984,002.80-32,960,644.20-13,003,932.40

Finding the Fourth Proportional to 21,984,002.80, 32,960,644.20 and 13,003,932.40

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Solution

The fourth proportional to 21,984,002.80, 32,960,644.20 and 13,003,932.40 is: 19,496,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,002.80 : 32,960,644.20 = 13,003,932.40 : x
  2. Step 2: Convert to fraction form
    21,984,002.80/32,960,644.20 = 13,003,932.40/x
  3. Step 3: Cross multiply
    21,984,002.80x = 32,960,644.20 × 13,003,932.40
  4. Step 4: Simplify right side
    21,984,002.80x = 428,617,989,037,252.06
  5. Step 5: Solve for x
    x = 428,617,989,037,252.06/21,984,002.80
  6. Step 6: Final answer
    x = 19,496,812.88

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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.