Home / 12,934,644.40-19,404,731.40-3,960,103.60

Finding the Fourth Proportional to 12,934,644.40, 19,404,731.40 and 3,960,103.60

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Solution

The fourth proportional to 12,934,644.40, 19,404,731.40 and 3,960,103.60 is: 5,941,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,644.40 : 19,404,731.40 = 3,960,103.60 : x
  2. Step 2: Convert to fraction form
    12,934,644.40/19,404,731.40 = 3,960,103.60/x
  3. Step 3: Cross multiply
    12,934,644.40x = 19,404,731.40 × 3,960,103.60
  4. Step 4: Simplify right side
    12,934,644.40x = 76,844,746,674,173.03
  5. Step 5: Solve for x
    x = 76,844,746,674,173.03/12,934,644.40
  6. Step 6: Final answer
    x = 5,941,001.88

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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.