Home / 8,803,964.70-13,205,947.05-5,780,655.90

Finding the Fourth Proportional to 8,803,964.70, 13,205,947.05 and 5,780,655.90

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Solution

The fourth proportional to 8,803,964.70, 13,205,947.05 and 5,780,655.90 is: 8,670,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803,964.70 : 13,205,947.05 = 5,780,655.90 : x
  2. Step 2: Convert to fraction form
    8,803,964.70/13,205,947.05 = 5,780,655.90/x
  3. Step 3: Cross multiply
    8,803,964.70x = 13,205,947.05 × 5,780,655.90
  4. Step 4: Simplify right side
    8,803,964.70x = 76,339,035,729,670.11
  5. Step 5: Solve for x
    x = 76,339,035,729,670.11/8,803,964.70
  6. Step 6: Final answer
    x = 8,670,983.85

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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.