Home / 20,373,280-28,119,120.24-11,677,282

Finding the Fourth Proportional to 20,373,280, 28,119,120.24 and 11,677,282

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Solution

The fourth proportional to 20,373,280, 28,119,120.24 and 11,677,282 is: 16,116,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,280 : 28,119,120.24 = 11,677,282 : x
  2. Step 2: Convert to fraction form
    20,373,280/28,119,120.24 = 11,677,282/x
  3. Step 3: Cross multiply
    20,373,280x = 28,119,120.24 × 11,677,282
  4. Step 4: Simplify right side
    20,373,280x = 328,354,896,634,387.69
  5. Step 5: Solve for x
    x = 328,354,896,634,387.69/20,373,280
  6. Step 6: Final answer
    x = 16,116,938.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.