Home / 12,264,907.20-18,401,455.28-5,440,538.92

Finding the Fourth Proportional to 12,264,907.20, 18,401,455.28 and 5,440,538.92

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Solution

The fourth proportional to 12,264,907.20, 18,401,455.28 and 5,440,538.92 is: 8,162,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,907.20 : 18,401,455.28 = 5,440,538.92 : x
  2. Step 2: Convert to fraction form
    12,264,907.20/18,401,455.28 = 5,440,538.92/x
  3. Step 3: Cross multiply
    12,264,907.20x = 18,401,455.28 × 5,440,538.92
  4. Step 4: Simplify right side
    12,264,907.20x = 100,113,833,635,479.50
  5. Step 5: Solve for x
    x = 100,113,833,635,479.50/12,264,907.20
  6. Step 6: Final answer
    x = 8,162,624.63

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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.