Home / 7,347,613.20-11,018,795.40-2,555,458.80

Finding the Fourth Proportional to 7,347,613.20, 11,018,795.40 and 2,555,458.80

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Solution

The fourth proportional to 7,347,613.20, 11,018,795.40 and 2,555,458.80 is: 3,832,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347,613.20 : 11,018,795.40 = 2,555,458.80 : x
  2. Step 2: Convert to fraction form
    7,347,613.20/11,018,795.40 = 2,555,458.80/x
  3. Step 3: Cross multiply
    7,347,613.20x = 11,018,795.40 × 2,555,458.80
  4. Step 4: Simplify right side
    7,347,613.20x = 28,158,077,670,329.52
  5. Step 5: Solve for x
    x = 28,158,077,670,329.52/7,347,613.20
  6. Step 6: Final answer
    x = 3,832,275.45

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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.