Home / 12,714,521.28-17,545,917.40-6,913,304.21

Finding the Fourth Proportional to 12,714,521.28, 17,545,917.40 and 6,913,304.21

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Solution

The fourth proportional to 12,714,521.28, 17,545,917.40 and 6,913,304.21 is: 9,540,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,521.28 : 17,545,917.40 = 6,913,304.21 : x
  2. Step 2: Convert to fraction form
    12,714,521.28/17,545,917.40 = 6,913,304.21/x
  3. Step 3: Cross multiply
    12,714,521.28x = 17,545,917.40 × 6,913,304.21
  4. Step 4: Simplify right side
    12,714,521.28x = 121,300,264,595,165.73
  5. Step 5: Solve for x
    x = 121,300,264,595,165.73/12,714,521.28
  6. Step 6: Final answer
    x = 9,540,293.49

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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.