Home / 12,087,732.40-18,117,601.80-4,894,543.60

Finding the Fourth Proportional to 12,087,732.40, 18,117,601.80 and 4,894,543.60

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Solution

The fourth proportional to 12,087,732.40, 18,117,601.80 and 4,894,543.60 is: 7,336,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,732.40 : 18,117,601.80 = 4,894,543.60 : x
  2. Step 2: Convert to fraction form
    12,087,732.40/18,117,601.80 = 4,894,543.60/x
  3. Step 3: Cross multiply
    12,087,732.40x = 18,117,601.80 × 4,894,543.60
  4. Step 4: Simplify right side
    12,087,732.40x = 88,677,391,937,538.48
  5. Step 5: Solve for x
    x = 88,677,391,937,538.48/12,087,732.40
  6. Step 6: Final answer
    x = 7,336,147.84

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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.