Home / 18,549,470.80-27,811,246.20-10,972,536.40

Finding the Fourth Proportional to 18,549,470.80, 27,811,246.20 and 10,972,536.40

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Solution

The fourth proportional to 18,549,470.80, 27,811,246.20 and 10,972,536.40 is: 16,451,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549,470.80 : 27,811,246.20 = 10,972,536.40 : x
  2. Step 2: Convert to fraction form
    18,549,470.80/27,811,246.20 = 10,972,536.40/x
  3. Step 3: Cross multiply
    18,549,470.80x = 27,811,246.20 × 10,972,536.40
  4. Step 4: Simplify right side
    18,549,470.80x = 305,159,911,258,861.69
  5. Step 5: Solve for x
    x = 305,159,911,258,861.69/18,549,470.80
  6. Step 6: Final answer
    x = 16,451,138.39

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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.