Home / 8,982,208.80-13,473,313.20-7,990,185.60

Finding the Fourth Proportional to 8,982,208.80, 13,473,313.20 and 7,990,185.60

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Solution

The fourth proportional to 8,982,208.80, 13,473,313.20 and 7,990,185.60 is: 11,985,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982,208.80 : 13,473,313.20 = 7,990,185.60 : x
  2. Step 2: Convert to fraction form
    8,982,208.80/13,473,313.20 = 7,990,185.60/x
  3. Step 3: Cross multiply
    8,982,208.80x = 13,473,313.20 × 7,990,185.60
  4. Step 4: Simplify right side
    8,982,208.80x = 107,654,273,114,929.91
  5. Step 5: Solve for x
    x = 107,654,273,114,929.91/8,982,208.80
  6. Step 6: Final answer
    x = 11,985,278.40

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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.