Home / 45,219,699.12-67,829,958.60-12,871,588.80

Finding the Fourth Proportional to 45,219,699.12, 67,829,958.60 and 12,871,588.80

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Solution

The fourth proportional to 45,219,699.12, 67,829,958.60 and 12,871,588.80 is: 19,307,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219,699.12 : 67,829,958.60 = 12,871,588.80 : x
  2. Step 2: Convert to fraction form
    45,219,699.12/67,829,958.60 = 12,871,588.80/x
  3. Step 3: Cross multiply
    45,219,699.12x = 67,829,958.60 × 12,871,588.80
  4. Step 4: Simplify right side
    45,219,699.12x = 873,079,335,420,223.62
  5. Step 5: Solve for x
    x = 873,079,335,420,223.62/45,219,699.12
  6. Step 6: Final answer
    x = 19,307,499.88

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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.