Home / 31,623,276.32-43,640,178-17,136,588.32

Finding the Fourth Proportional to 31,623,276.32, 43,640,178 and 17,136,588.32

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Solution

The fourth proportional to 31,623,276.32, 43,640,178 and 17,136,588.32 is: 23,648,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623,276.32 : 43,640,178 = 17,136,588.32 : x
  2. Step 2: Convert to fraction form
    31,623,276.32/43,640,178 = 17,136,588.32/x
  3. Step 3: Cross multiply
    31,623,276.32x = 43,640,178 × 17,136,588.32
  4. Step 4: Simplify right side
    31,623,276.32x = 747,843,764,597,521
  5. Step 5: Solve for x
    x = 747,843,764,597,521/31,623,276.32
  6. Step 6: Final answer
    x = 23,648,522.60

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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.