Home / 18,239,472.56-27,341,166.60-8,637,978.80

Finding the Fourth Proportional to 18,239,472.56, 27,341,166.60 and 8,637,978.80

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Solution

The fourth proportional to 18,239,472.56, 27,341,166.60 and 8,637,978.80 is: 12,948,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239,472.56 : 27,341,166.60 = 8,637,978.80 : x
  2. Step 2: Convert to fraction form
    18,239,472.56/27,341,166.60 = 8,637,978.80/x
  3. Step 3: Cross multiply
    18,239,472.56x = 27,341,166.60 × 8,637,978.80
  4. Step 4: Simplify right side
    18,239,472.56x = 236,172,417,458,068.12
  5. Step 5: Solve for x
    x = 236,172,417,458,068.12/18,239,472.56
  6. Step 6: Final answer
    x = 12,948,423.63

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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.