Home / 7,490,434.30-11,216,643.45-4,120,834.30

Finding the Fourth Proportional to 7,490,434.30, 11,216,643.45 and 4,120,834.30

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Solution

The fourth proportional to 7,490,434.30, 11,216,643.45 and 4,120,834.30 is: 6,170,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,434.30 : 11,216,643.45 = 4,120,834.30 : x
  2. Step 2: Convert to fraction form
    7,490,434.30/11,216,643.45 = 4,120,834.30/x
  3. Step 3: Cross multiply
    7,490,434.30x = 11,216,643.45 × 4,120,834.30
  4. Step 4: Simplify right side
    7,490,434.30x = 46,221,929,059,630.33
  5. Step 5: Solve for x
    x = 46,221,929,059,630.33/7,490,434.30
  6. Step 6: Final answer
    x = 6,170,794.27

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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.