Home / 12,013,922.28-18,005,894.94-5,860,833.36

Finding the Fourth Proportional to 12,013,922.28, 18,005,894.94 and 5,860,833.36

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Solution

The fourth proportional to 12,013,922.28, 18,005,894.94 and 5,860,833.36 is: 8,783,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013,922.28 : 18,005,894.94 = 5,860,833.36 : x
  2. Step 2: Convert to fraction form
    12,013,922.28/18,005,894.94 = 5,860,833.36/x
  3. Step 3: Cross multiply
    12,013,922.28x = 18,005,894.94 × 5,860,833.36
  4. Step 4: Simplify right side
    12,013,922.28x = 105,529,549,741,007.22
  5. Step 5: Solve for x
    x = 105,529,549,741,007.22/12,013,922.28
  6. Step 6: Final answer
    x = 8,783,938.11

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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.