Home / 8,535,808.40-12,803,712.60-5,350,758.80

Finding the Fourth Proportional to 8,535,808.40, 12,803,712.60 and 5,350,758.80

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Solution

The fourth proportional to 8,535,808.40, 12,803,712.60 and 5,350,758.80 is: 8,026,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535,808.40 : 12,803,712.60 = 5,350,758.80 : x
  2. Step 2: Convert to fraction form
    8,535,808.40/12,803,712.60 = 5,350,758.80/x
  3. Step 3: Cross multiply
    8,535,808.40x = 12,803,712.60 × 5,350,758.80
  4. Step 4: Simplify right side
    8,535,808.40x = 68,509,577,867,120.88
  5. Step 5: Solve for x
    x = 68,509,577,867,120.88/8,535,808.40
  6. Step 6: Final answer
    x = 8,026,138.20

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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.