Home / 15,191,729.04-20,964,584.52-8,316,215.76

Finding the Fourth Proportional to 15,191,729.04, 20,964,584.52 and 8,316,215.76

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Solution

The fourth proportional to 15,191,729.04, 20,964,584.52 and 8,316,215.76 is: 11,476,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,729.04 : 20,964,584.52 = 8,316,215.76 : x
  2. Step 2: Convert to fraction form
    15,191,729.04/20,964,584.52 = 8,316,215.76/x
  3. Step 3: Cross multiply
    15,191,729.04x = 20,964,584.52 × 8,316,215.76
  4. Step 4: Simplify right side
    15,191,729.04x = 174,346,008,187,076.03
  5. Step 5: Solve for x
    x = 174,346,008,187,076.03/15,191,729.04
  6. Step 6: Final answer
    x = 11,476,376.90

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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.