Home / 8,754,378.40-13,129,724.40-3,705,853.60

Finding the Fourth Proportional to 8,754,378.40, 13,129,724.40 and 3,705,853.60

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Solution

The fourth proportional to 8,754,378.40, 13,129,724.40 and 3,705,853.60 is: 5,558,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754,378.40 : 13,129,724.40 = 3,705,853.60 : x
  2. Step 2: Convert to fraction form
    8,754,378.40/13,129,724.40 = 3,705,853.60/x
  3. Step 3: Cross multiply
    8,754,378.40x = 13,129,724.40 × 3,705,853.60
  4. Step 4: Simplify right side
    8,754,378.40x = 48,656,836,434,747.84
  5. Step 5: Solve for x
    x = 48,656,836,434,747.84/8,754,378.40
  6. Step 6: Final answer
    x = 5,558,000.15

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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.