Home / 6,900,340.80-10,350,511.20-3,121,204.80

Finding the Fourth Proportional to 6,900,340.80, 10,350,511.20 and 3,121,204.80

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Solution

The fourth proportional to 6,900,340.80, 10,350,511.20 and 3,121,204.80 is: 4,681,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,340.80 : 10,350,511.20 = 3,121,204.80 : x
  2. Step 2: Convert to fraction form
    6,900,340.80/10,350,511.20 = 3,121,204.80/x
  3. Step 3: Cross multiply
    6,900,340.80x = 10,350,511.20 × 3,121,204.80
  4. Step 4: Simplify right side
    6,900,340.80x = 32,306,065,239,893.75
  5. Step 5: Solve for x
    x = 32,306,065,239,893.75/6,900,340.80
  6. Step 6: Final answer
    x = 4,681,807.20

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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.