Home / 13,886,817.12-19,159,662.24-8,984,275.92

Finding the Fourth Proportional to 13,886,817.12, 19,159,662.24 and 8,984,275.92

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Solution

The fourth proportional to 13,886,817.12, 19,159,662.24 and 8,984,275.92 is: 12,395,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,817.12 : 19,159,662.24 = 8,984,275.92 : x
  2. Step 2: Convert to fraction form
    13,886,817.12/19,159,662.24 = 8,984,275.92/x
  3. Step 3: Cross multiply
    13,886,817.12x = 19,159,662.24 × 8,984,275.92
  4. Step 4: Simplify right side
    13,886,817.12x = 172,135,692,098,165.25
  5. Step 5: Solve for x
    x = 172,135,692,098,165.25/13,886,817.12
  6. Step 6: Final answer
    x = 12,395,618.85

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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.