Home / 18,351,036.40-27,488,711.40-10,754,978.80

Finding the Fourth Proportional to 18,351,036.40, 27,488,711.40 and 10,754,978.80

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Solution

The fourth proportional to 18,351,036.40, 27,488,711.40 and 10,754,978.80 is: 16,110,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351,036.40 : 27,488,711.40 = 10,754,978.80 : x
  2. Step 2: Convert to fraction form
    18,351,036.40/27,488,711.40 = 10,754,978.80/x
  3. Step 3: Cross multiply
    18,351,036.40x = 27,488,711.40 × 10,754,978.80
  4. Step 4: Simplify right side
    18,351,036.40x = 295,640,508,346,318.31
  5. Step 5: Solve for x
    x = 295,640,508,346,318.31/18,351,036.40
  6. Step 6: Final answer
    x = 16,110,289.46

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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.