Home / 25,487,564.20-38,231,346.30-18,366,254.80

Finding the Fourth Proportional to 25,487,564.20, 38,231,346.30 and 18,366,254.80

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Solution

The fourth proportional to 25,487,564.20, 38,231,346.30 and 18,366,254.80 is: 27,549,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487,564.20 : 38,231,346.30 = 18,366,254.80 : x
  2. Step 2: Convert to fraction form
    25,487,564.20/38,231,346.30 = 18,366,254.80/x
  3. Step 3: Cross multiply
    25,487,564.20x = 38,231,346.30 × 18,366,254.80
  4. Step 4: Simplify right side
    25,487,564.20x = 702,166,647,492,837.25
  5. Step 5: Solve for x
    x = 702,166,647,492,837.25/25,487,564.20
  6. Step 6: Final answer
    x = 27,549,382.20

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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.