Home / 18,381,668.55-27,572,502.83-8,815,730.55

Finding the Fourth Proportional to 18,381,668.55, 27,572,502.83 and 8,815,730.55

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Solution

The fourth proportional to 18,381,668.55, 27,572,502.83 and 8,815,730.55 is: 13,223,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,668.55 : 27,572,502.83 = 8,815,730.55 : x
  2. Step 2: Convert to fraction form
    18,381,668.55/27,572,502.83 = 8,815,730.55/x
  3. Step 3: Cross multiply
    18,381,668.55x = 27,572,502.83 × 8,815,730.55
  4. Step 4: Simplify right side
    18,381,668.55x = 243,071,755,494,313.81
  5. Step 5: Solve for x
    x = 243,071,755,494,313.81/18,381,668.55
  6. Step 6: Final answer
    x = 13,223,595.83

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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.