Home / 31,580,692.56-43,578,923.40-17,831,013.84

Finding the Fourth Proportional to 31,580,692.56, 43,578,923.40 and 17,831,013.84

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Solution

The fourth proportional to 31,580,692.56, 43,578,923.40 and 17,831,013.84 is: 24,605,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580,692.56 : 43,578,923.40 = 17,831,013.84 : x
  2. Step 2: Convert to fraction form
    31,580,692.56/43,578,923.40 = 17,831,013.84/x
  3. Step 3: Cross multiply
    31,580,692.56x = 43,578,923.40 × 17,831,013.84
  4. Step 4: Simplify right side
    31,580,692.56x = 777,056,386,277,699.88
  5. Step 5: Solve for x
    x = 777,056,386,277,699.88/31,580,692.56
  6. Step 6: Final answer
    x = 24,605,425.76

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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.