Home / 8,353,479.20-12,530,218.80-5,802,562.40

Finding the Fourth Proportional to 8,353,479.20, 12,530,218.80 and 5,802,562.40

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Solution

The fourth proportional to 8,353,479.20, 12,530,218.80 and 5,802,562.40 is: 8,703,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,479.20 : 12,530,218.80 = 5,802,562.40 : x
  2. Step 2: Convert to fraction form
    8,353,479.20/12,530,218.80 = 5,802,562.40/x
  3. Step 3: Cross multiply
    8,353,479.20x = 12,530,218.80 × 5,802,562.40
  4. Step 4: Simplify right side
    8,353,479.20x = 72,707,376,472,653.12
  5. Step 5: Solve for x
    x = 72,707,376,472,653.12/8,353,479.20
  6. Step 6: Final answer
    x = 8,703,843.60

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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.