Home / 9,131,571.64-12,598,062.80-5,211,545.58

Finding the Fourth Proportional to 9,131,571.64, 12,598,062.80 and 5,211,545.58

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Solution

The fourth proportional to 9,131,571.64, 12,598,062.80 and 5,211,545.58 is: 7,189,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,571.64 : 12,598,062.80 = 5,211,545.58 : x
  2. Step 2: Convert to fraction form
    9,131,571.64/12,598,062.80 = 5,211,545.58/x
  3. Step 3: Cross multiply
    9,131,571.64x = 12,598,062.80 × 5,211,545.58
  4. Step 4: Simplify right side
    9,131,571.64x = 65,655,378,475,844.70
  5. Step 5: Solve for x
    x = 65,655,378,475,844.70/9,131,571.64
  6. Step 6: Final answer
    x = 7,189,931.93

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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.