Home / 25,468,807.70-38,203,211.55-8,431,202.90

Finding the Fourth Proportional to 25,468,807.70, 38,203,211.55 and 8,431,202.90

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Solution

The fourth proportional to 25,468,807.70, 38,203,211.55 and 8,431,202.90 is: 12,646,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468,807.70 : 38,203,211.55 = 8,431,202.90 : x
  2. Step 2: Convert to fraction form
    25,468,807.70/38,203,211.55 = 8,431,202.90/x
  3. Step 3: Cross multiply
    25,468,807.70x = 38,203,211.55 × 8,431,202.90
  4. Step 4: Simplify right side
    25,468,807.70x = 322,099,028,009,673.50
  5. Step 5: Solve for x
    x = 322,099,028,009,673.50/25,468,807.70
  6. Step 6: Final answer
    x = 12,646,804.35

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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.