Home / 13,872,000.20-20,808,000.30-10,067,635.40

Finding the Fourth Proportional to 13,872,000.20, 20,808,000.30 and 10,067,635.40

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Solution

The fourth proportional to 13,872,000.20, 20,808,000.30 and 10,067,635.40 is: 15,101,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,000.20 : 20,808,000.30 = 10,067,635.40 : x
  2. Step 2: Convert to fraction form
    13,872,000.20/20,808,000.30 = 10,067,635.40/x
  3. Step 3: Cross multiply
    13,872,000.20x = 20,808,000.30 × 10,067,635.40
  4. Step 4: Simplify right side
    13,872,000.20x = 209,487,360,423,490.62
  5. Step 5: Solve for x
    x = 209,487,360,423,490.62/13,872,000.20
  6. Step 6: Final answer
    x = 15,101,453.10

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1.5x scale

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.