Home / 10,631,679.80-15,936,633.30-5,232,025.40

Finding the Fourth Proportional to 10,631,679.80, 15,936,633.30 and 5,232,025.40

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Solution

The fourth proportional to 10,631,679.80, 15,936,633.30 and 5,232,025.40 is: 7,842,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,679.80 : 15,936,633.30 = 5,232,025.40 : x
  2. Step 2: Convert to fraction form
    10,631,679.80/15,936,633.30 = 5,232,025.40/x
  3. Step 3: Cross multiply
    10,631,679.80x = 15,936,633.30 × 5,232,025.40
  4. Step 4: Simplify right side
    10,631,679.80x = 83,380,870,216,085.83
  5. Step 5: Solve for x
    x = 83,380,870,216,085.83/10,631,679.80
  6. Step 6: Final answer
    x = 7,842,680.72

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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.