Home / 12,144,065.60-18,218,139.60-3,625,263.20

Finding the Fourth Proportional to 12,144,065.60, 18,218,139.60 and 3,625,263.20

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Solution

The fourth proportional to 12,144,065.60, 18,218,139.60 and 3,625,263.20 is: 5,438,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,065.60 : 18,218,139.60 = 3,625,263.20 : x
  2. Step 2: Convert to fraction form
    12,144,065.60/18,218,139.60 = 3,625,263.20/x
  3. Step 3: Cross multiply
    12,144,065.60x = 18,218,139.60 × 3,625,263.20
  4. Step 4: Simplify right side
    12,144,065.60x = 66,045,551,064,342.73
  5. Step 5: Solve for x
    x = 66,045,551,064,342.73/12,144,065.60
  6. Step 6: Final answer
    x = 5,438,504.14

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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.