Home / 31,257,027.27-43,134,126.73-17,318,331.53

Finding the Fourth Proportional to 31,257,027.27, 43,134,126.73 and 17,318,331.53

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Solution

The fourth proportional to 31,257,027.27, 43,134,126.73 and 17,318,331.53 is: 23,898,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257,027.27 : 43,134,126.73 = 17,318,331.53 : x
  2. Step 2: Convert to fraction form
    31,257,027.27/43,134,126.73 = 17,318,331.53/x
  3. Step 3: Cross multiply
    31,257,027.27x = 43,134,126.73 × 17,318,331.53
  4. Step 4: Simplify right side
    31,257,027.27x = 747,011,106,880,583.25
  5. Step 5: Solve for x
    x = 747,011,106,880,583.25/31,257,027.27
  6. Step 6: Final answer
    x = 23,898,981.19

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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.