Home / 12,516,076.95-18,782,013.06-5,327,599.38

Finding the Fourth Proportional to 12,516,076.95, 18,782,013.06 and 5,327,599.38

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Solution

The fourth proportional to 12,516,076.95, 18,782,013.06 and 5,327,599.38 is: 7,994,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,076.95 : 18,782,013.06 = 5,327,599.38 : x
  2. Step 2: Convert to fraction form
    12,516,076.95/18,782,013.06 = 5,327,599.38/x
  3. Step 3: Cross multiply
    12,516,076.95x = 18,782,013.06 × 5,327,599.38
  4. Step 4: Simplify right side
    12,516,076.95x = 100,063,041,133,607.89
  5. Step 5: Solve for x
    x = 100,063,041,133,607.89/12,516,076.95
  6. Step 6: Final answer
    x = 7,994,760.78

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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.