Home / 11,739,208.30-17,608,812.45-8,151,981.55

Finding the Fourth Proportional to 11,739,208.30, 17,608,812.45 and 8,151,981.55

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Solution

The fourth proportional to 11,739,208.30, 17,608,812.45 and 8,151,981.55 is: 12,227,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739,208.30 : 17,608,812.45 = 8,151,981.55 : x
  2. Step 2: Convert to fraction form
    11,739,208.30/17,608,812.45 = 8,151,981.55/x
  3. Step 3: Cross multiply
    11,739,208.30x = 17,608,812.45 × 8,151,981.55
  4. Step 4: Simplify right side
    11,739,208.30x = 143,546,714,209,810.28
  5. Step 5: Solve for x
    x = 143,546,714,209,810.28/11,739,208.30
  6. Step 6: Final answer
    x = 12,227,972.33

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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.