Home / 8,140,927.20-12,211,390.80-3,347,023.20

Finding the Fourth Proportional to 8,140,927.20, 12,211,390.80 and 3,347,023.20

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Solution

The fourth proportional to 8,140,927.20, 12,211,390.80 and 3,347,023.20 is: 5,020,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,927.20 : 12,211,390.80 = 3,347,023.20 : x
  2. Step 2: Convert to fraction form
    8,140,927.20/12,211,390.80 = 3,347,023.20/x
  3. Step 3: Cross multiply
    8,140,927.20x = 12,211,390.80 × 3,347,023.20
  4. Step 4: Simplify right side
    8,140,927.20x = 40,871,808,311,866.56
  5. Step 5: Solve for x
    x = 40,871,808,311,866.56/8,140,927.20
  6. Step 6: Final answer
    x = 5,020,534.80

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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.