Home / 13,786,543.80-20,679,815.70-4,201,906.95

Finding the Fourth Proportional to 13,786,543.80, 20,679,815.70 and 4,201,906.95

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Solution

The fourth proportional to 13,786,543.80, 20,679,815.70 and 4,201,906.95 is: 6,302,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,543.80 : 20,679,815.70 = 4,201,906.95 : x
  2. Step 2: Convert to fraction form
    13,786,543.80/20,679,815.70 = 4,201,906.95/x
  3. Step 3: Cross multiply
    13,786,543.80x = 20,679,815.70 × 4,201,906.95
  4. Step 4: Simplify right side
    13,786,543.80x = 86,894,661,314,549.11
  5. Step 5: Solve for x
    x = 86,894,661,314,549.11/13,786,543.80
  6. Step 6: Final answer
    x = 6,302,860.43

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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.