Home / 8,827,520.79-12,186,973.26-5,732,811.90

Finding the Fourth Proportional to 8,827,520.79, 12,186,973.26 and 5,732,811.90

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Solution

The fourth proportional to 8,827,520.79, 12,186,973.26 and 5,732,811.90 is: 7,914,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827,520.79 : 12,186,973.26 = 5,732,811.90 : x
  2. Step 2: Convert to fraction form
    8,827,520.79/12,186,973.26 = 5,732,811.90/x
  3. Step 3: Cross multiply
    8,827,520.79x = 12,186,973.26 × 5,732,811.90
  4. Step 4: Simplify right side
    8,827,520.79x = 69,865,625,329,909.80
  5. Step 5: Solve for x
    x = 69,865,625,329,909.80/8,827,520.79
  6. Step 6: Final answer
    x = 7,914,524.02

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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.