Home / 12,347,897.16-18,433,753.98-11,527,317.15

Finding the Fourth Proportional to 12,347,897.16, 18,433,753.98 and 11,527,317.15

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Solution

The fourth proportional to 12,347,897.16, 18,433,753.98 and 11,527,317.15 is: 17,208,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,897.16 : 18,433,753.98 = 11,527,317.15 : x
  2. Step 2: Convert to fraction form
    12,347,897.16/18,433,753.98 = 11,527,317.15/x
  3. Step 3: Cross multiply
    12,347,897.16x = 18,433,753.98 × 11,527,317.15
  4. Step 4: Simplify right side
    12,347,897.16x = 212,491,728,392,534.78
  5. Step 5: Solve for x
    x = 212,491,728,392,534.78/12,347,897.16
  6. Step 6: Final answer
    x = 17,208,738.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.