Home / 15,387,223.44-21,232,518.60-8,862,974.76

Finding the Fourth Proportional to 15,387,223.44, 21,232,518.60 and 8,862,974.76

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Solution

The fourth proportional to 15,387,223.44, 21,232,518.60 and 8,862,974.76 is: 12,229,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387,223.44 : 21,232,518.60 = 8,862,974.76 : x
  2. Step 2: Convert to fraction form
    15,387,223.44/21,232,518.60 = 8,862,974.76/x
  3. Step 3: Cross multiply
    15,387,223.44x = 21,232,518.60 × 8,862,974.76
  4. Step 4: Simplify right side
    15,387,223.44x = 188,183,276,443,030.53
  5. Step 5: Solve for x
    x = 188,183,276,443,030.53/15,387,223.44
  6. Step 6: Final answer
    x = 12,229,839.72

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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.