Home / 7,235,557.40-10,853,336.10-2,978,780.60

Finding the Fourth Proportional to 7,235,557.40, 10,853,336.10 and 2,978,780.60

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Solution

The fourth proportional to 7,235,557.40, 10,853,336.10 and 2,978,780.60 is: 4,468,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,557.40 : 10,853,336.10 = 2,978,780.60 : x
  2. Step 2: Convert to fraction form
    7,235,557.40/10,853,336.10 = 2,978,780.60/x
  3. Step 3: Cross multiply
    7,235,557.40x = 10,853,336.10 × 2,978,780.60
  4. Step 4: Simplify right side
    7,235,557.40x = 32,329,707,019,959.66
  5. Step 5: Solve for x
    x = 32,329,707,019,959.66/7,235,557.40
  6. Step 6: Final answer
    x = 4,468,170.90

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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.