Home / 31,232,989.97-43,106,391.34-17,821,681.91

Finding the Fourth Proportional to 31,232,989.97, 43,106,391.34 and 17,821,681.91

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Solution

The fourth proportional to 31,232,989.97, 43,106,391.34 and 17,821,681.91 is: 24,596,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232,989.97 : 43,106,391.34 = 17,821,681.91 : x
  2. Step 2: Convert to fraction form
    31,232,989.97/43,106,391.34 = 17,821,681.91/x
  3. Step 3: Cross multiply
    31,232,989.97x = 43,106,391.34 × 17,821,681.91
  4. Step 4: Simplify right side
    31,232,989.97x = 768,228,394,781,785
  5. Step 5: Solve for x
    x = 768,228,394,781,785/31,232,989.97
  6. Step 6: Final answer
    x = 24,596,697.13

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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.