Home / 22,789,278.11-31,452,197.54-12,997,477.69

Finding the Fourth Proportional to 22,789,278.11, 31,452,197.54 and 12,997,477.69

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Solution

The fourth proportional to 22,789,278.11, 31,452,197.54 and 12,997,477.69 is: 17,938,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789,278.11 : 31,452,197.54 = 12,997,477.69 : x
  2. Step 2: Convert to fraction form
    22,789,278.11/31,452,197.54 = 12,997,477.69/x
  3. Step 3: Cross multiply
    22,789,278.11x = 31,452,197.54 × 12,997,477.69
  4. Step 4: Simplify right side
    22,789,278.11x = 408,799,235,684,005
  5. Step 5: Solve for x
    x = 408,799,235,684,005/22,789,278.11
  6. Step 6: Final answer
    x = 17,938,226.64

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Double scale
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1.5x scale

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.