Home / 11,129,617.44-15,373,279.44-9,203,657.76

Finding the Fourth Proportional to 11,129,617.44, 15,373,279.44 and 9,203,657.76

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Solution

The fourth proportional to 11,129,617.44, 15,373,279.44 and 9,203,657.76 is: 12,712,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,617.44 : 15,373,279.44 = 9,203,657.76 : x
  2. Step 2: Convert to fraction form
    11,129,617.44/15,373,279.44 = 9,203,657.76/x
  3. Step 3: Cross multiply
    11,129,617.44x = 15,373,279.44 × 9,203,657.76
  4. Step 4: Simplify right side
    11,129,617.44x = 141,490,402,614,604.44
  5. Step 5: Solve for x
    x = 141,490,402,614,604.44/11,129,617.44
  6. Step 6: Final answer
    x = 12,712,961.91

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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.