Home / 12,372,165.60-17,073,139.95-6,865,780.74

Finding the Fourth Proportional to 12,372,165.60, 17,073,139.95 and 6,865,780.74

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Solution

The fourth proportional to 12,372,165.60, 17,073,139.95 and 6,865,780.74 is: 9,474,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,165.60 : 17,073,139.95 = 6,865,780.74 : x
  2. Step 2: Convert to fraction form
    12,372,165.60/17,073,139.95 = 6,865,780.74/x
  3. Step 3: Cross multiply
    12,372,165.60x = 17,073,139.95 × 6,865,780.74
  4. Step 4: Simplify right side
    12,372,165.60x = 117,220,435,440,034.56
  5. Step 5: Solve for x
    x = 117,220,435,440,034.56/12,372,165.60
  6. Step 6: Final answer
    x = 9,474,528.49

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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.