Home / 8,238,072.80-12,357,109.20-6,838,392.80

Finding the Fourth Proportional to 8,238,072.80, 12,357,109.20 and 6,838,392.80

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Solution

The fourth proportional to 8,238,072.80, 12,357,109.20 and 6,838,392.80 is: 10,257,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,072.80 : 12,357,109.20 = 6,838,392.80 : x
  2. Step 2: Convert to fraction form
    8,238,072.80/12,357,109.20 = 6,838,392.80/x
  3. Step 3: Cross multiply
    8,238,072.80x = 12,357,109.20 × 6,838,392.80
  4. Step 4: Simplify right side
    8,238,072.80x = 84,502,766,582,093.75
  5. Step 5: Solve for x
    x = 84,502,766,582,093.75/8,238,072.80
  6. Step 6: Final answer
    x = 10,257,589.20

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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.