Home / 31,171,883.90-43,018,528.29-17,420,847.62

Finding the Fourth Proportional to 31,171,883.90, 43,018,528.29 and 17,420,847.62

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Solution

The fourth proportional to 31,171,883.90, 43,018,528.29 and 17,420,847.62 is: 24,041,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171,883.90 : 43,018,528.29 = 17,420,847.62 : x
  2. Step 2: Convert to fraction form
    31,171,883.90/43,018,528.29 = 17,420,847.62/x
  3. Step 3: Cross multiply
    31,171,883.90x = 43,018,528.29 × 17,420,847.62
  4. Step 4: Simplify right side
    31,171,883.90x = 749,419,226,176,749.25
  5. Step 5: Solve for x
    x = 749,419,226,176,749.25/31,171,883.90
  6. Step 6: Final answer
    x = 24,041,512.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.