Home / 10,754,562.80-16,131,844.20-9,578,831.60

Finding the Fourth Proportional to 10,754,562.80, 16,131,844.20 and 9,578,831.60

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Solution

The fourth proportional to 10,754,562.80, 16,131,844.20 and 9,578,831.60 is: 14,368,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,562.80 : 16,131,844.20 = 9,578,831.60 : x
  2. Step 2: Convert to fraction form
    10,754,562.80/16,131,844.20 = 9,578,831.60/x
  3. Step 3: Cross multiply
    10,754,562.80x = 16,131,844.20 × 9,578,831.60
  4. Step 4: Simplify right side
    10,754,562.80x = 154,524,218,989,236.72
  5. Step 5: Solve for x
    x = 154,524,218,989,236.72/10,754,562.80
  6. Step 6: Final answer
    x = 14,368,247.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.