Home / 7,765,424.64-11,640,613.68-2,969,421.12

Finding the Fourth Proportional to 7,765,424.64, 11,640,613.68 and 2,969,421.12

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Solution

The fourth proportional to 7,765,424.64, 11,640,613.68 and 2,969,421.12 is: 4,451,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765,424.64 : 11,640,613.68 = 2,969,421.12 : x
  2. Step 2: Convert to fraction form
    7,765,424.64/11,640,613.68 = 2,969,421.12/x
  3. Step 3: Cross multiply
    7,765,424.64x = 11,640,613.68 × 2,969,421.12
  4. Step 4: Simplify right side
    7,765,424.64x = 34,565,884,111,152.92
  5. Step 5: Solve for x
    x = 34,565,884,111,152.92/7,765,424.64
  6. Step 6: Final answer
    x = 4,451,254.85

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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.