Home / 28,339,321.60-42,508,982.40-22,670,617.60

Finding the Fourth Proportional to 28,339,321.60, 42,508,982.40 and 22,670,617.60

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Solution

The fourth proportional to 28,339,321.60, 42,508,982.40 and 22,670,617.60 is: 34,005,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339,321.60 : 42,508,982.40 = 22,670,617.60 : x
  2. Step 2: Convert to fraction form
    28,339,321.60/42,508,982.40 = 22,670,617.60/x
  3. Step 3: Cross multiply
    28,339,321.60x = 42,508,982.40 × 22,670,617.60
  4. Step 4: Simplify right side
    28,339,321.60x = 963,704,884,555,530.25
  5. Step 5: Solve for x
    x = 963,704,884,555,530.25/28,339,321.60
  6. Step 6: Final answer
    x = 34,005,926.40

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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.