Home / 19,655,462.57-27,126,566.89-11,817,538.88

Finding the Fourth Proportional to 19,655,462.57, 27,126,566.89 and 11,817,538.88

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Solution

The fourth proportional to 19,655,462.57, 27,126,566.89 and 11,817,538.88 is: 16,309,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655,462.57 : 27,126,566.89 = 11,817,538.88 : x
  2. Step 2: Convert to fraction form
    19,655,462.57/27,126,566.89 = 11,817,538.88/x
  3. Step 3: Cross multiply
    19,655,462.57x = 27,126,566.89 × 11,817,538.88
  4. Step 4: Simplify right side
    19,655,462.57x = 320,569,258,738,319
  5. Step 5: Solve for x
    x = 320,569,258,738,319/19,655,462.57
  6. Step 6: Final answer
    x = 16,309,423.28

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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.