Home / 7,889,972.20-11,805,006.30-5,235,764.20

Finding the Fourth Proportional to 7,889,972.20, 11,805,006.30 and 5,235,764.20

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Solution

The fourth proportional to 7,889,972.20, 11,805,006.30 and 5,235,764.20 is: 7,833,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,972.20 : 11,805,006.30 = 5,235,764.20 : x
  2. Step 2: Convert to fraction form
    7,889,972.20/11,805,006.30 = 5,235,764.20/x
  3. Step 3: Cross multiply
    7,889,972.20x = 11,805,006.30 × 5,235,764.20
  4. Step 4: Simplify right side
    7,889,972.20x = 61,808,229,366,314.47
  5. Step 5: Solve for x
    x = 61,808,229,366,314.47/7,889,972.20
  6. Step 6: Final answer
    x = 7,833,770.23

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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.