Home / 26,602,742.55-39,921,828.53-12,218,406.15

Finding the Fourth Proportional to 26,602,742.55, 39,921,828.53 and 12,218,406.15

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Solution

The fourth proportional to 26,602,742.55, 39,921,828.53 and 12,218,406.15 is: 18,335,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602,742.55 : 39,921,828.53 = 12,218,406.15 : x
  2. Step 2: Convert to fraction form
    26,602,742.55/39,921,828.53 = 12,218,406.15/x
  3. Step 3: Cross multiply
    26,602,742.55x = 39,921,828.53 × 12,218,406.15
  4. Step 4: Simplify right side
    26,602,742.55x = 487,781,115,169,105.44
  5. Step 5: Solve for x
    x = 487,781,115,169,105.44/26,602,742.55
  6. Step 6: Final answer
    x = 18,335,745.43

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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.