Home / 12,544,053.40-18,816,080.10-12,455,579.80

Finding the Fourth Proportional to 12,544,053.40, 18,816,080.10 and 12,455,579.80

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Solution

The fourth proportional to 12,544,053.40, 18,816,080.10 and 12,455,579.80 is: 18,683,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,053.40 : 18,816,080.10 = 12,455,579.80 : x
  2. Step 2: Convert to fraction form
    12,544,053.40/18,816,080.10 = 12,455,579.80/x
  3. Step 3: Cross multiply
    12,544,053.40x = 18,816,080.10 × 12,455,579.80
  4. Step 4: Simplify right side
    12,544,053.40x = 234,365,187,208,742
  5. Step 5: Solve for x
    x = 234,365,187,208,742/12,544,053.40
  6. Step 6: Final answer
    x = 18,683,369.70

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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.