Home / 12,402,693.95-18,606,524.28-6,945,549.35

Finding the Fourth Proportional to 12,402,693.95, 18,606,524.28 and 6,945,549.35

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Solution

The fourth proportional to 12,402,693.95, 18,606,524.28 and 6,945,549.35 is: 10,419,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,693.95 : 18,606,524.28 = 6,945,549.35 : x
  2. Step 2: Convert to fraction form
    12,402,693.95/18,606,524.28 = 6,945,549.35/x
  3. Step 3: Cross multiply
    12,402,693.95x = 18,606,524.28 × 6,945,549.35
  4. Step 4: Simplify right side
    12,402,693.95x = 129,232,532,665,229.53
  5. Step 5: Solve for x
    x = 129,232,532,665,229.53/12,402,693.95
  6. Step 6: Final answer
    x = 10,419,714.71

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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.