Home / 10,120,281.36-15,175,858.04-5,000,715.30

Finding the Fourth Proportional to 10,120,281.36, 15,175,858.04 and 5,000,715.30

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Solution

The fourth proportional to 10,120,281.36, 15,175,858.04 and 5,000,715.30 is: 7,498,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,281.36 : 15,175,858.04 = 5,000,715.30 : x
  2. Step 2: Convert to fraction form
    10,120,281.36/15,175,858.04 = 5,000,715.30/x
  3. Step 3: Cross multiply
    10,120,281.36x = 15,175,858.04 × 5,000,715.30
  4. Step 4: Simplify right side
    10,120,281.36x = 75,890,145,491,256
  5. Step 5: Solve for x
    x = 75,890,145,491,256/10,120,281.36
  6. Step 6: Final answer
    x = 7,498,817.75

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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.