Home / 12,029,756.80-18,037,429.09-3,828,856.66

Finding the Fourth Proportional to 12,029,756.80, 18,037,429.09 and 3,828,856.66

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Solution

The fourth proportional to 12,029,756.80, 18,037,429.09 and 3,828,856.66 is: 5,740,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,756.80 : 18,037,429.09 = 3,828,856.66 : x
  2. Step 2: Convert to fraction form
    12,029,756.80/18,037,429.09 = 3,828,856.66/x
  3. Step 3: Cross multiply
    12,029,756.80x = 18,037,429.09 × 3,828,856.66
  4. Step 4: Simplify right side
    12,029,756.80x = 69,062,730,445,858.52
  5. Step 5: Solve for x
    x = 69,062,730,445,858.52/12,029,756.80
  6. Step 6: Final answer
    x = 5,740,991.41

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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.