Home / 12,472,392.80-18,694,592.40-7,083,624.80

Finding the Fourth Proportional to 12,472,392.80, 18,694,592.40 and 7,083,624.80

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Solution

The fourth proportional to 12,472,392.80, 18,694,592.40 and 7,083,624.80 is: 10,617,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,392.80 : 18,694,592.40 = 7,083,624.80 : x
  2. Step 2: Convert to fraction form
    12,472,392.80/18,694,592.40 = 7,083,624.80/x
  3. Step 3: Cross multiply
    12,472,392.80x = 18,694,592.40 × 7,083,624.80
  4. Step 4: Simplify right side
    12,472,392.80x = 132,425,478,350,531.50
  5. Step 5: Solve for x
    x = 132,425,478,350,531.50/12,472,392.80
  6. Step 6: Final answer
    x = 10,617,487.80

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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.