Home / 18,784,117.42-28,175,775.00-5,137,263.85

Finding the Fourth Proportional to 18,784,117.42, 28,175,775.00 and 5,137,263.85

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Solution

The fourth proportional to 18,784,117.42, 28,175,775.00 and 5,137,263.85 is: 7,705,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,117.42 : 28,175,775.00 = 5,137,263.85 : x
  2. Step 2: Convert to fraction form
    18,784,117.42/28,175,775.00 = 5,137,263.85/x
  3. Step 3: Cross multiply
    18,784,117.42x = 28,175,775.00 × 5,137,263.85
  4. Step 4: Simplify right side
    18,784,117.42x = 144,746,390,263,529.56
  5. Step 5: Solve for x
    x = 144,746,390,263,529.56/18,784,117.42
  6. Step 6: Final answer
    x = 7,705,786.06

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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.