Home / 7,452,002.70-11,178,004.05-5,172,711.30

Finding the Fourth Proportional to 7,452,002.70, 11,178,004.05 and 5,172,711.30

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Solution

The fourth proportional to 7,452,002.70, 11,178,004.05 and 5,172,711.30 is: 7,759,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,002.70 : 11,178,004.05 = 5,172,711.30 : x
  2. Step 2: Convert to fraction form
    7,452,002.70/11,178,004.05 = 5,172,711.30/x
  3. Step 3: Cross multiply
    7,452,002.70x = 11,178,004.05 × 5,172,711.30
  4. Step 4: Simplify right side
    7,452,002.70x = 57,820,587,860,880.77
  5. Step 5: Solve for x
    x = 57,820,587,860,880.77/7,452,002.70
  6. Step 6: Final answer
    x = 7,759,066.95

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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.