Home / 15,191,956.13-20,964,897.83-8,222,632.41

Finding the Fourth Proportional to 15,191,956.13, 20,964,897.83 and 8,222,632.41

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Solution

The fourth proportional to 15,191,956.13, 20,964,897.83 and 8,222,632.41 is: 11,347,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,956.13 : 20,964,897.83 = 8,222,632.41 : x
  2. Step 2: Convert to fraction form
    15,191,956.13/20,964,897.83 = 8,222,632.41/x
  3. Step 3: Cross multiply
    15,191,956.13x = 20,964,897.83 × 8,222,632.41
  4. Step 4: Simplify right side
    15,191,956.13x = 172,386,648,264,982.59
  5. Step 5: Solve for x
    x = 172,386,648,264,982.59/15,191,956.13
  6. Step 6: Final answer
    x = 11,347,231.84

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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.