Home / 18,784,075.17-28,175,711.66-5,137,221.57

Finding the Fourth Proportional to 18,784,075.17, 28,175,711.66 and 5,137,221.57

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Solution

The fourth proportional to 18,784,075.17, 28,175,711.66 and 5,137,221.57 is: 7,705,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,075.17 : 28,175,711.66 = 5,137,221.57 : x
  2. Step 2: Convert to fraction form
    18,784,075.17/28,175,711.66 = 5,137,221.57/x
  3. Step 3: Cross multiply
    18,784,075.17x = 28,175,711.66 × 5,137,221.57
  4. Step 4: Simplify right side
    18,784,075.17x = 144,744,873,598,513.03
  5. Step 5: Solve for x
    x = 144,744,873,598,513.03/18,784,075.17
  6. Step 6: Final answer
    x = 7,705,722.66

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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.