Home / 28,057,147.20-42,085,720.80-27,217,339.20

Finding the Fourth Proportional to 28,057,147.20, 42,085,720.80 and 27,217,339.20

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Solution

The fourth proportional to 28,057,147.20, 42,085,720.80 and 27,217,339.20 is: 40,826,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057,147.20 : 42,085,720.80 = 27,217,339.20 : x
  2. Step 2: Convert to fraction form
    28,057,147.20/42,085,720.80 = 27,217,339.20/x
  3. Step 3: Cross multiply
    28,057,147.20x = 42,085,720.80 × 27,217,339.20
  4. Step 4: Simplify right side
    28,057,147.20x = 1,145,461,338,490,095.25
  5. Step 5: Solve for x
    x = 1,145,461,338,490,095.25/28,057,147.20
  6. Step 6: Final answer
    x = 40,826,008.80

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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.