Home / 8,342,020.20-12,513,030.30-6,550,429.80

Finding the Fourth Proportional to 8,342,020.20, 12,513,030.30 and 6,550,429.80

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Solution

The fourth proportional to 8,342,020.20, 12,513,030.30 and 6,550,429.80 is: 9,825,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,020.20 : 12,513,030.30 = 6,550,429.80 : x
  2. Step 2: Convert to fraction form
    8,342,020.20/12,513,030.30 = 6,550,429.80/x
  3. Step 3: Cross multiply
    8,342,020.20x = 12,513,030.30 × 6,550,429.80
  4. Step 4: Simplify right side
    8,342,020.20x = 81,965,726,565,422.94
  5. Step 5: Solve for x
    x = 81,965,726,565,422.94/8,342,020.20
  6. Step 6: Final answer
    x = 9,825,644.70

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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.