Home / 7,287,007.20-10,930,510.80-2,238,309.60

Finding the Fourth Proportional to 7,287,007.20, 10,930,510.80 and 2,238,309.60

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Solution

The fourth proportional to 7,287,007.20, 10,930,510.80 and 2,238,309.60 is: 3,357,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,007.20 : 10,930,510.80 = 2,238,309.60 : x
  2. Step 2: Convert to fraction form
    7,287,007.20/10,930,510.80 = 2,238,309.60/x
  3. Step 3: Cross multiply
    7,287,007.20x = 10,930,510.80 × 2,238,309.60
  4. Step 4: Simplify right side
    7,287,007.20x = 24,465,867,256,543.68
  5. Step 5: Solve for x
    x = 24,465,867,256,543.68/7,287,007.20
  6. Step 6: Final answer
    x = 3,357,464.40

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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.