Home / 12,714,641.28-17,551,287.36-7,821,846

Finding the Fourth Proportional to 12,714,641.28, 17,551,287.36 and 7,821,846

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Solution

The fourth proportional to 12,714,641.28, 17,551,287.36 and 7,821,846 is: 10,797,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,641.28 : 17,551,287.36 = 7,821,846 : x
  2. Step 2: Convert to fraction form
    12,714,641.28/17,551,287.36 = 7,821,846/x
  3. Step 3: Cross multiply
    12,714,641.28x = 17,551,287.36 × 7,821,846
  4. Step 4: Simplify right side
    12,714,641.28x = 137,283,466,831,666.56
  5. Step 5: Solve for x
    x = 137,283,466,831,666.56/12,714,641.28
  6. Step 6: Final answer
    x = 10,797,274.09

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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.