Home / 18,713,535.52-28,070,281.68-7,044,085.12

Finding the Fourth Proportional to 18,713,535.52, 28,070,281.68 and 7,044,085.12

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Solution

The fourth proportional to 18,713,535.52, 28,070,281.68 and 7,044,085.12 is: 10,566,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,535.52 : 28,070,281.68 = 7,044,085.12 : x
  2. Step 2: Convert to fraction form
    18,713,535.52/28,070,281.68 = 7,044,085.12/x
  3. Step 3: Cross multiply
    18,713,535.52x = 28,070,281.68 × 7,044,085.12
  4. Step 4: Simplify right side
    18,713,535.52x = 197,729,453,496,296.59
  5. Step 5: Solve for x
    x = 197,729,453,496,296.59/18,713,535.52
  6. Step 6: Final answer
    x = 10,566,119.55

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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.