Home / 9,058,381.77-12,500,910.68-5,191,649.13

Finding the Fourth Proportional to 9,058,381.77, 12,500,910.68 and 5,191,649.13

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Solution

The fourth proportional to 9,058,381.77, 12,500,910.68 and 5,191,649.13 is: 7,164,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058,381.77 : 12,500,910.68 = 5,191,649.13 : x
  2. Step 2: Convert to fraction form
    9,058,381.77/12,500,910.68 = 5,191,649.13/x
  3. Step 3: Cross multiply
    9,058,381.77x = 12,500,910.68 × 5,191,649.13
  4. Step 4: Simplify right side
    9,058,381.77x = 64,900,342,106,152.90
  5. Step 5: Solve for x
    x = 64,900,342,106,152.90/9,058,381.77
  6. Step 6: Final answer
    x = 7,164,672.87

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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.