Home / 8,908,674.80-13,363,012.20-6,221,289.20

Finding the Fourth Proportional to 8,908,674.80, 13,363,012.20 and 6,221,289.20

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Solution

The fourth proportional to 8,908,674.80, 13,363,012.20 and 6,221,289.20 is: 9,331,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,674.80 : 13,363,012.20 = 6,221,289.20 : x
  2. Step 2: Convert to fraction form
    8,908,674.80/13,363,012.20 = 6,221,289.20/x
  3. Step 3: Cross multiply
    8,908,674.80x = 13,363,012.20 × 6,221,289.20
  4. Step 4: Simplify right side
    8,908,674.80x = 83,135,163,479,328.23
  5. Step 5: Solve for x
    x = 83,135,163,479,328.23/8,908,674.80
  6. Step 6: Final answer
    x = 9,331,933.80

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Similar ratio
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1.5x scale

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.