Home / 14,015,843.64-19,337,335.20-7,819,885.80

Finding the Fourth Proportional to 14,015,843.64, 19,337,335.20 and 7,819,885.80

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Solution

The fourth proportional to 14,015,843.64, 19,337,335.20 and 7,819,885.80 is: 10,788,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,843.64 : 19,337,335.20 = 7,819,885.80 : x
  2. Step 2: Convert to fraction form
    14,015,843.64/19,337,335.20 = 7,819,885.80/x
  3. Step 3: Cross multiply
    14,015,843.64x = 19,337,335.20 × 7,819,885.80
  4. Step 4: Simplify right side
    14,015,843.64x = 151,215,752,940,320.16
  5. Step 5: Solve for x
    x = 151,215,752,940,320.16/14,015,843.64
  6. Step 6: Final answer
    x = 10,788,915.52

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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.