Home / 10,422,074.20-15,633,111.30-6,440,762.20

Finding the Fourth Proportional to 10,422,074.20, 15,633,111.30 and 6,440,762.20

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Solution

The fourth proportional to 10,422,074.20, 15,633,111.30 and 6,440,762.20 is: 9,661,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422,074.20 : 15,633,111.30 = 6,440,762.20 : x
  2. Step 2: Convert to fraction form
    10,422,074.20/15,633,111.30 = 6,440,762.20/x
  3. Step 3: Cross multiply
    10,422,074.20x = 15,633,111.30 × 6,440,762.20
  4. Step 4: Simplify right side
    10,422,074.20x = 100,689,152,329,432.88
  5. Step 5: Solve for x
    x = 100,689,152,329,432.88/10,422,074.20
  6. Step 6: Final answer
    x = 9,661,143.30

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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.