Home / 25,236,987.20-37,855,480.80-8,199,382.40

Finding the Fourth Proportional to 25,236,987.20, 37,855,480.80 and 8,199,382.40

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Solution

The fourth proportional to 25,236,987.20, 37,855,480.80 and 8,199,382.40 is: 12,299,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,236,987.20 : 37,855,480.80 = 8,199,382.40 : x
  2. Step 2: Convert to fraction form
    25,236,987.20/37,855,480.80 = 8,199,382.40/x
  3. Step 3: Cross multiply
    25,236,987.20x = 37,855,480.80 × 8,199,382.40
  4. Step 4: Simplify right side
    25,236,987.20x = 310,391,563,015,057.94
  5. Step 5: Solve for x
    x = 310,391,563,015,057.94/25,236,987.20
  6. Step 6: Final answer
    x = 12,299,073.60

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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.