Home / 18,442,878.90-25,453,414.88-10,707,921.22

Finding the Fourth Proportional to 18,442,878.90, 25,453,414.88 and 10,707,921.22

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Solution

The fourth proportional to 18,442,878.90, 25,453,414.88 and 10,707,921.22 is: 14,778,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,878.90 : 25,453,414.88 = 10,707,921.22 : x
  2. Step 2: Convert to fraction form
    18,442,878.90/25,453,414.88 = 10,707,921.22/x
  3. Step 3: Cross multiply
    18,442,878.90x = 25,453,414.88 × 10,707,921.22
  4. Step 4: Simplify right side
    18,442,878.90x = 272,553,161,315,015.75
  5. Step 5: Solve for x
    x = 272,553,161,315,015.75/18,442,878.90
  6. Step 6: Final answer
    x = 14,778,232.99

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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.