Home / 13,000,481.71-17,940,648.58-7,199,256.44

Finding the Fourth Proportional to 13,000,481.71, 17,940,648.58 and 7,199,256.44

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Solution

The fourth proportional to 13,000,481.71, 17,940,648.58 and 7,199,256.44 is: 9,934,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,481.71 : 17,940,648.58 = 7,199,256.44 : x
  2. Step 2: Convert to fraction form
    13,000,481.71/17,940,648.58 = 7,199,256.44/x
  3. Step 3: Cross multiply
    13,000,481.71x = 17,940,648.58 × 7,199,256.44
  4. Step 4: Simplify right side
    13,000,481.71x = 129,159,329,854,195.34
  5. Step 5: Solve for x
    x = 129,159,329,854,195.34/13,000,481.71
  6. Step 6: Final answer
    x = 9,934,964.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.