Home / 43,241,529.06-64,848,946.59-12,538,371.60

Finding the Fourth Proportional to 43,241,529.06, 64,848,946.59 and 12,538,371.60

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Solution

The fourth proportional to 43,241,529.06, 64,848,946.59 and 12,538,371.60 is: 18,803,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,241,529.06 : 64,848,946.59 = 12,538,371.60 : x
  2. Step 2: Convert to fraction form
    43,241,529.06/64,848,946.59 = 12,538,371.60/x
  3. Step 3: Cross multiply
    43,241,529.06x = 64,848,946.59 × 12,538,371.60
  4. Step 4: Simplify right side
    43,241,529.06x = 813,100,190,213,972.88
  5. Step 5: Solve for x
    x = 813,100,190,213,972.88/43,241,529.06
  6. Step 6: Final answer
    x = 18,803,687.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.