Home / 12,546,949.39-18,818,929.02-3,449,971.42

Finding the Fourth Proportional to 12,546,949.39, 18,818,929.02 and 3,449,971.42

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Solution

The fourth proportional to 12,546,949.39, 18,818,929.02 and 3,449,971.42 is: 5,174,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,949.39 : 18,818,929.02 = 3,449,971.42 : x
  2. Step 2: Convert to fraction form
    12,546,949.39/18,818,929.02 = 3,449,971.42/x
  3. Step 3: Cross multiply
    12,546,949.39x = 18,818,929.02 × 3,449,971.42
  4. Step 4: Simplify right side
    12,546,949.39x = 64,924,767,179,913.96
  5. Step 5: Solve for x
    x = 64,924,767,179,913.96/12,546,949.39
  6. Step 6: Final answer
    x = 5,174,546.03

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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.