Home / 8,240,764.80-12,363,026.40-2,561,563.20

Finding the Fourth Proportional to 8,240,764.80, 12,363,026.40 and 2,561,563.20

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Solution

The fourth proportional to 8,240,764.80, 12,363,026.40 and 2,561,563.20 is: 3,842,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,764.80 : 12,363,026.40 = 2,561,563.20 : x
  2. Step 2: Convert to fraction form
    8,240,764.80/12,363,026.40 = 2,561,563.20/x
  3. Step 3: Cross multiply
    8,240,764.80x = 12,363,026.40 × 2,561,563.20
  4. Step 4: Simplify right side
    8,240,764.80x = 31,668,673,466,868.48
  5. Step 5: Solve for x
    x = 31,668,673,466,868.48/8,240,764.80
  6. Step 6: Final answer
    x = 3,842,928.93

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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.