Home / 12,544,061.40-18,816,092.10-12,455,587.80

Finding the Fourth Proportional to 12,544,061.40, 18,816,092.10 and 12,455,587.80

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Solution

The fourth proportional to 12,544,061.40, 18,816,092.10 and 12,455,587.80 is: 18,683,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,061.40 : 18,816,092.10 = 12,455,587.80 : x
  2. Step 2: Convert to fraction form
    12,544,061.40/18,816,092.10 = 12,455,587.80/x
  3. Step 3: Cross multiply
    12,544,061.40x = 18,816,092.10 × 12,455,587.80
  4. Step 4: Simplify right side
    12,544,061.40x = 234,365,487,204,436.41
  5. Step 5: Solve for x
    x = 234,365,487,204,436.41/12,544,061.40
  6. Step 6: Final answer
    x = 18,683,381.70

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Double scale
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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.