Home / 25,213,317.66-34,795,671.30-15,420,686.13

Finding the Fourth Proportional to 25,213,317.66, 34,795,671.30 and 15,420,686.13

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Solution

The fourth proportional to 25,213,317.66, 34,795,671.30 and 15,420,686.13 is: 21,281,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213,317.66 : 34,795,671.30 = 15,420,686.13 : x
  2. Step 2: Convert to fraction form
    25,213,317.66/34,795,671.30 = 15,420,686.13/x
  3. Step 3: Cross multiply
    25,213,317.66x = 34,795,671.30 × 15,420,686.13
  4. Step 4: Simplify right side
    25,213,317.66x = 536,573,125,799,949.06
  5. Step 5: Solve for x
    x = 536,573,125,799,949.06/25,213,317.66
  6. Step 6: Final answer
    x = 21,281,337.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.