Home / 13,471,184.88-20,219,552.31-8,338,087.62

Finding the Fourth Proportional to 13,471,184.88, 20,219,552.31 and 8,338,087.62

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Solution

The fourth proportional to 13,471,184.88, 20,219,552.31 and 8,338,087.62 is: 12,515,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,184.88 : 20,219,552.31 = 8,338,087.62 : x
  2. Step 2: Convert to fraction form
    13,471,184.88/20,219,552.31 = 8,338,087.62/x
  3. Step 3: Cross multiply
    13,471,184.88x = 20,219,552.31 × 8,338,087.62
  4. Step 4: Simplify right side
    13,471,184.88x = 168,592,398,655,165.22
  5. Step 5: Solve for x
    x = 168,592,398,655,165.22/13,471,184.88
  6. Step 6: Final answer
    x = 12,515,038.60

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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.