Home / 18,686,529.70-28,029,794.55-18,308,616.10

Finding the Fourth Proportional to 18,686,529.70, 28,029,794.55 and 18,308,616.10

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Solution

The fourth proportional to 18,686,529.70, 28,029,794.55 and 18,308,616.10 is: 27,462,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,529.70 : 28,029,794.55 = 18,308,616.10 : x
  2. Step 2: Convert to fraction form
    18,686,529.70/28,029,794.55 = 18,308,616.10/x
  3. Step 3: Cross multiply
    18,686,529.70x = 28,029,794.55 × 18,308,616.10
  4. Step 4: Simplify right side
    18,686,529.70x = 513,186,747,777,822.31
  5. Step 5: Solve for x
    x = 513,186,747,777,822.31/18,686,529.70
  6. Step 6: Final answer
    x = 27,462,924.15

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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.