Home / 18,125,866.22-27,188,061.93-4,478,668.91

Finding the Fourth Proportional to 18,125,866.22, 27,188,061.93 and 4,478,668.91

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Solution

The fourth proportional to 18,125,866.22, 27,188,061.93 and 4,478,668.91 is: 6,717,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,866.22 : 27,188,061.93 = 4,478,668.91 : x
  2. Step 2: Convert to fraction form
    18,125,866.22/27,188,061.93 = 4,478,668.91/x
  3. Step 3: Cross multiply
    18,125,866.22x = 27,188,061.93 × 4,478,668.91
  4. Step 4: Simplify right side
    18,125,866.22x = 121,766,327,689,045.59
  5. Step 5: Solve for x
    x = 121,766,327,689,045.59/18,125,866.22
  6. Step 6: Final answer
    x = 6,717,821.16

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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.