Home / 7,129,359.20-10,694,038.80-3,535,680.80

Finding the Fourth Proportional to 7,129,359.20, 10,694,038.80 and 3,535,680.80

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Solution

The fourth proportional to 7,129,359.20, 10,694,038.80 and 3,535,680.80 is: 5,303,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,359.20 : 10,694,038.80 = 3,535,680.80 : x
  2. Step 2: Convert to fraction form
    7,129,359.20/10,694,038.80 = 3,535,680.80/x
  3. Step 3: Cross multiply
    7,129,359.20x = 10,694,038.80 × 3,535,680.80
  4. Step 4: Simplify right side
    7,129,359.20x = 37,810,707,659,615.04
  5. Step 5: Solve for x
    x = 37,810,707,659,615.04/7,129,359.20
  6. Step 6: Final answer
    x = 5,303,521.20

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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.