Home / 18,885,943.90-28,314,919.05-8,094,411.10

Finding the Fourth Proportional to 18,885,943.90, 28,314,919.05 and 8,094,411.10

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Solution

The fourth proportional to 18,885,943.90, 28,314,919.05 and 8,094,411.10 is: 12,135,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885,943.90 : 28,314,919.05 = 8,094,411.10 : x
  2. Step 2: Convert to fraction form
    18,885,943.90/28,314,919.05 = 8,094,411.10/x
  3. Step 3: Cross multiply
    18,885,943.90x = 28,314,919.05 × 8,094,411.10
  4. Step 4: Simplify right side
    18,885,943.90x = 229,192,595,053,921.44
  5. Step 5: Solve for x
    x = 229,192,595,053,921.44/18,885,943.90
  6. Step 6: Final answer
    x = 12,135,617.70

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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.