Home / 14,080,917.11-19,428,335.12-7,969,345.43

Finding the Fourth Proportional to 14,080,917.11, 19,428,335.12 and 7,969,345.43

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Solution

The fourth proportional to 14,080,917.11, 19,428,335.12 and 7,969,345.43 is: 10,995,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080,917.11 : 19,428,335.12 = 7,969,345.43 : x
  2. Step 2: Convert to fraction form
    14,080,917.11/19,428,335.12 = 7,969,345.43/x
  3. Step 3: Cross multiply
    14,080,917.11x = 19,428,335.12 × 7,969,345.43
  4. Step 4: Simplify right side
    14,080,917.11x = 154,831,113,623,862.19
  5. Step 5: Solve for x
    x = 154,831,113,623,862.19/14,080,917.11
  6. Step 6: Final answer
    x = 10,995,811.74

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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.