Home / 26,864,868.90-40,297,278.73-8,420,946.55

Finding the Fourth Proportional to 26,864,868.90, 40,297,278.73 and 8,420,946.55

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Solution

The fourth proportional to 26,864,868.90, 40,297,278.73 and 8,420,946.55 is: 12,631,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864,868.90 : 40,297,278.73 = 8,420,946.55 : x
  2. Step 2: Convert to fraction form
    26,864,868.90/40,297,278.73 = 8,420,946.55/x
  3. Step 3: Cross multiply
    26,864,868.90x = 40,297,278.73 × 8,420,946.55
  4. Step 4: Simplify right side
    26,864,868.90x = 339,341,230,253,677.19
  5. Step 5: Solve for x
    x = 339,341,230,253,677.19/26,864,868.90
  6. Step 6: Final answer
    x = 12,631,412.11

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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.