Home / 45,011,422.47-67,509,309.71-12,655,645.94

Finding the Fourth Proportional to 45,011,422.47, 67,509,309.71 and 12,655,645.94

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Solution

The fourth proportional to 45,011,422.47, 67,509,309.71 and 12,655,645.94 is: 18,981,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011,422.47 : 67,509,309.71 = 12,655,645.94 : x
  2. Step 2: Convert to fraction form
    45,011,422.47/67,509,309.71 = 12,655,645.94/x
  3. Step 3: Cross multiply
    45,011,422.47x = 67,509,309.71 × 12,655,645.94
  4. Step 4: Simplify right side
    45,011,422.47x = 854,373,920,942,739.25
  5. Step 5: Solve for x
    x = 854,373,920,942,739.25/45,011,422.47
  6. Step 6: Final answer
    x = 18,981,269.07

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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.