Home / 15,492,223.31-21,378,970.17-8,522,493.66

Finding the Fourth Proportional to 15,492,223.31, 21,378,970.17 and 8,522,493.66

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Solution

The fourth proportional to 15,492,223.31, 21,378,970.17 and 8,522,493.66 is: 11,760,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492,223.31 : 21,378,970.17 = 8,522,493.66 : x
  2. Step 2: Convert to fraction form
    15,492,223.31/21,378,970.17 = 8,522,493.66/x
  3. Step 3: Cross multiply
    15,492,223.31x = 21,378,970.17 × 8,522,493.66
  4. Step 4: Simplify right side
    15,492,223.31x = 182,202,137,731,154.16
  5. Step 5: Solve for x
    x = 182,202,137,731,154.16/15,492,223.31
  6. Step 6: Final answer
    x = 11,760,877.32

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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.