Home / 7,883,965.20-11,825,947.80-6,289,642.20

Finding the Fourth Proportional to 7,883,965.20, 11,825,947.80 and 6,289,642.20

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Solution

The fourth proportional to 7,883,965.20, 11,825,947.80 and 6,289,642.20 is: 9,434,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,965.20 : 11,825,947.80 = 6,289,642.20 : x
  2. Step 2: Convert to fraction form
    7,883,965.20/11,825,947.80 = 6,289,642.20/x
  3. Step 3: Cross multiply
    7,883,965.20x = 11,825,947.80 × 6,289,642.20
  4. Step 4: Simplify right side
    7,883,965.20x = 74,380,980,337,877.17
  5. Step 5: Solve for x
    x = 74,380,980,337,877.17/7,883,965.20
  6. Step 6: Final answer
    x = 9,434,463.30

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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.