Home / 10,554,831.20-15,813,584.40-9,360,437.60

Finding the Fourth Proportional to 10,554,831.20, 15,813,584.40 and 9,360,437.60

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Solution

The fourth proportional to 10,554,831.20, 15,813,584.40 and 9,360,437.60 is: 14,024,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554,831.20 : 15,813,584.40 = 9,360,437.60 : x
  2. Step 2: Convert to fraction form
    10,554,831.20/15,813,584.40 = 9,360,437.60/x
  3. Step 3: Cross multiply
    10,554,831.20x = 15,813,584.40 × 9,360,437.60
  4. Step 4: Simplify right side
    10,554,831.20x = 148,022,070,008,533.44
  5. Step 5: Solve for x
    x = 148,022,070,008,533.44/10,554,831.20
  6. Step 6: Final answer
    x = 14,024,105.85

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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.