Home / 21,888,045.15-32,784,828.53-18,108,909.15

Finding the Fourth Proportional to 21,888,045.15, 32,784,828.53 and 18,108,909.15

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Solution

The fourth proportional to 21,888,045.15, 32,784,828.53 and 18,108,909.15 is: 27,124,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,045.15 : 32,784,828.53 = 18,108,909.15 : x
  2. Step 2: Convert to fraction form
    21,888,045.15/32,784,828.53 = 18,108,909.15/x
  3. Step 3: Cross multiply
    21,888,045.15x = 32,784,828.53 × 18,108,909.15
  4. Step 4: Simplify right side
    21,888,045.15x = 593,697,481,257,553.38
  5. Step 5: Solve for x
    x = 593,697,481,257,553.38/21,888,045.15
  6. Step 6: Final answer
    x = 27,124,280.73

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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.