Home / 25,468,807.20-38,203,210.80-8,431,202.40

Finding the Fourth Proportional to 25,468,807.20, 38,203,210.80 and 8,431,202.40

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Solution

The fourth proportional to 25,468,807.20, 38,203,210.80 and 8,431,202.40 is: 12,646,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468,807.20 : 38,203,210.80 = 8,431,202.40 : x
  2. Step 2: Convert to fraction form
    25,468,807.20/38,203,210.80 = 8,431,202.40/x
  3. Step 3: Cross multiply
    25,468,807.20x = 38,203,210.80 × 8,431,202.40
  4. Step 4: Simplify right side
    25,468,807.20x = 322,099,002,584,665.94
  5. Step 5: Solve for x
    x = 322,099,002,584,665.94/25,468,807.20
  6. Step 6: Final answer
    x = 12,646,803.60

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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.