Home / 15,961,213.38-22,026,541.73-8,991,974.55

Finding the Fourth Proportional to 15,961,213.38, 22,026,541.73 and 8,991,974.55

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Solution

The fourth proportional to 15,961,213.38, 22,026,541.73 and 8,991,974.55 is: 12,408,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961,213.38 : 22,026,541.73 = 8,991,974.55 : x
  2. Step 2: Convert to fraction form
    15,961,213.38/22,026,541.73 = 8,991,974.55/x
  3. Step 3: Cross multiply
    15,961,213.38x = 22,026,541.73 × 8,991,974.55
  4. Step 4: Simplify right side
    15,961,213.38x = 198,062,102,615,713.12
  5. Step 5: Solve for x
    x = 198,062,102,615,713.12/15,961,213.38
  6. Step 6: Final answer
    x = 12,408,962.77

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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.