Home / 13,857,549.30-20,786,323.95-8,755,715.70

Finding the Fourth Proportional to 13,857,549.30, 20,786,323.95 and 8,755,715.70

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Solution

The fourth proportional to 13,857,549.30, 20,786,323.95 and 8,755,715.70 is: 13,133,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,549.30 : 20,786,323.95 = 8,755,715.70 : x
  2. Step 2: Convert to fraction form
    13,857,549.30/20,786,323.95 = 8,755,715.70/x
  3. Step 3: Cross multiply
    13,857,549.30x = 20,786,323.95 × 8,755,715.70
  4. Step 4: Simplify right side
    13,857,549.30x = 181,999,142,954,301
  5. Step 5: Solve for x
    x = 181,999,142,954,301/13,857,549.30
  6. Step 6: Final answer
    x = 13,133,573.55

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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.