Home / 13,248,002.20-19,872,003.30-8,209,154.20

Finding the Fourth Proportional to 13,248,002.20, 19,872,003.30 and 8,209,154.20

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Solution

The fourth proportional to 13,248,002.20, 19,872,003.30 and 8,209,154.20 is: 12,313,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,002.20 : 19,872,003.30 = 8,209,154.20 : x
  2. Step 2: Convert to fraction form
    13,248,002.20/19,872,003.30 = 8,209,154.20/x
  3. Step 3: Cross multiply
    13,248,002.20x = 19,872,003.30 × 8,209,154.20
  4. Step 4: Simplify right side
    13,248,002.20x = 163,132,339,352,608.88
  5. Step 5: Solve for x
    x = 163,132,339,352,608.88/13,248,002.20
  6. Step 6: Final answer
    x = 12,313,731.30

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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.