Home / 8,818,511.17-13,222,618.19-3,420,854.23

Finding the Fourth Proportional to 8,818,511.17, 13,222,618.19 and 3,420,854.23

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Solution

The fourth proportional to 8,818,511.17, 13,222,618.19 and 3,420,854.23 is: 5,129,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818,511.17 : 13,222,618.19 = 3,420,854.23 : x
  2. Step 2: Convert to fraction form
    8,818,511.17/13,222,618.19 = 3,420,854.23/x
  3. Step 3: Cross multiply
    8,818,511.17x = 13,222,618.19 × 3,420,854.23
  4. Step 4: Simplify right side
    8,818,511.17x = 45,232,649,349,832.17
  5. Step 5: Solve for x
    x = 45,232,649,349,832.17/8,818,511.17
  6. Step 6: Final answer
    x = 5,129,284.12

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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.