Home / 21,990,908.10-33,002,108.55-9,220,577.70

Finding the Fourth Proportional to 21,990,908.10, 33,002,108.55 and 9,220,577.70

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Solution

The fourth proportional to 21,990,908.10, 33,002,108.55 and 9,220,577.70 is: 13,837,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,908.10 : 33,002,108.55 = 9,220,577.70 : x
  2. Step 2: Convert to fraction form
    21,990,908.10/33,002,108.55 = 9,220,577.70/x
  3. Step 3: Cross multiply
    21,990,908.10x = 33,002,108.55 × 9,220,577.70
  4. Step 4: Simplify right side
    21,990,908.10x = 304,298,506,149,109.31
  5. Step 5: Solve for x
    x = 304,298,506,149,109.31/21,990,908.10
  6. Step 6: Final answer
    x = 13,837,468.87

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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.