Home / 18,712,785.96-25,823,860.02-10,977,959.88

Finding the Fourth Proportional to 18,712,785.96, 25,823,860.02 and 10,977,959.88

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Solution

The fourth proportional to 18,712,785.96, 25,823,860.02 and 10,977,959.88 is: 15,149,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,785.96 : 25,823,860.02 = 10,977,959.88 : x
  2. Step 2: Convert to fraction form
    18,712,785.96/25,823,860.02 = 10,977,959.88/x
  3. Step 3: Cross multiply
    18,712,785.96x = 25,823,860.02 × 10,977,959.88
  4. Step 4: Simplify right side
    18,712,785.96x = 283,493,299,246,296
  5. Step 5: Solve for x
    x = 283,493,299,246,296/18,712,785.96
  6. Step 6: Final answer
    x = 15,149,711.00

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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.