Home / 31,272,848.60-43,156,456.35-17,144,009.84

Finding the Fourth Proportional to 31,272,848.60, 43,156,456.35 and 17,144,009.84

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Solution

The fourth proportional to 31,272,848.60, 43,156,456.35 and 17,144,009.84 is: 23,658,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,848.60 : 43,156,456.35 = 17,144,009.84 : x
  2. Step 2: Convert to fraction form
    31,272,848.60/43,156,456.35 = 17,144,009.84/x
  3. Step 3: Cross multiply
    31,272,848.60x = 43,156,456.35 × 17,144,009.84
  4. Step 4: Simplify right side
    31,272,848.60x = 739,874,712,431,821.75
  5. Step 5: Solve for x
    x = 739,874,712,431,821.75/31,272,848.60
  6. Step 6: Final answer
    x = 23,658,692.62

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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.