Home / 13,891,383.18-20,737,971.55-12,968,230.66

Finding the Fourth Proportional to 13,891,383.18, 20,737,971.55 and 12,968,230.66

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Solution

The fourth proportional to 13,891,383.18, 20,737,971.55 and 12,968,230.66 is: 19,359,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,383.18 : 20,737,971.55 = 12,968,230.66 : x
  2. Step 2: Convert to fraction form
    13,891,383.18/20,737,971.55 = 12,968,230.66/x
  3. Step 3: Cross multiply
    13,891,383.18x = 20,737,971.55 × 12,968,230.66
  4. Step 4: Simplify right side
    13,891,383.18x = 268,934,798,580,167.50
  5. Step 5: Solve for x
    x = 268,934,798,580,167.50/13,891,383.18
  6. Step 6: Final answer
    x = 19,359,828.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.