Home / 26,293,892.60-39,440,838.90-12,138,116.60

Finding the Fourth Proportional to 26,293,892.60, 39,440,838.90 and 12,138,116.60

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Solution

The fourth proportional to 26,293,892.60, 39,440,838.90 and 12,138,116.60 is: 18,207,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,293,892.60 : 39,440,838.90 = 12,138,116.60 : x
  2. Step 2: Convert to fraction form
    26,293,892.60/39,440,838.90 = 12,138,116.60/x
  3. Step 3: Cross multiply
    26,293,892.60x = 39,440,838.90 × 12,138,116.60
  4. Step 4: Simplify right side
    26,293,892.60x = 478,737,501,370,015.69
  5. Step 5: Solve for x
    x = 478,737,501,370,015.69/26,293,892.60
  6. Step 6: Final answer
    x = 18,207,174.90

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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.