Home / 8,176,904.20-12,265,356.30-5,625,987.40

Finding the Fourth Proportional to 8,176,904.20, 12,265,356.30 and 5,625,987.40

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Solution

The fourth proportional to 8,176,904.20, 12,265,356.30 and 5,625,987.40 is: 8,438,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,904.20 : 12,265,356.30 = 5,625,987.40 : x
  2. Step 2: Convert to fraction form
    8,176,904.20/12,265,356.30 = 5,625,987.40/x
  3. Step 3: Cross multiply
    8,176,904.20x = 12,265,356.30 × 5,625,987.40
  4. Step 4: Simplify right side
    8,176,904.20x = 69,004,740,000,310.62
  5. Step 5: Solve for x
    x = 69,004,740,000,310.62/8,176,904.20
  6. Step 6: Final answer
    x = 8,438,981.10

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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.