Home / 10,911,043.80-16,356,068.10-8,480,849.40

Finding the Fourth Proportional to 10,911,043.80, 16,356,068.10 and 8,480,849.40

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Solution

The fourth proportional to 10,911,043.80, 16,356,068.10 and 8,480,849.40 is: 12,713,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,043.80 : 16,356,068.10 = 8,480,849.40 : x
  2. Step 2: Convert to fraction form
    10,911,043.80/16,356,068.10 = 8,480,849.40/x
  3. Step 3: Cross multiply
    10,911,043.80x = 16,356,068.10 × 8,480,849.40
  4. Step 4: Simplify right side
    10,911,043.80x = 138,713,350,332,244.14
  5. Step 5: Solve for x
    x = 138,713,350,332,244.14/10,911,043.80
  6. Step 6: Final answer
    x = 12,713,114.61

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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.