Home / 12,003,033.09-18,005,323.29-4,220,992.71

Finding the Fourth Proportional to 12,003,033.09, 18,005,323.29 and 4,220,992.71

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Solution

The fourth proportional to 12,003,033.09, 18,005,323.29 and 4,220,992.71 is: 6,331,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,033.09 : 18,005,323.29 = 4,220,992.71 : x
  2. Step 2: Convert to fraction form
    12,003,033.09/18,005,323.29 = 4,220,992.71/x
  3. Step 3: Cross multiply
    12,003,033.09x = 18,005,323.29 × 4,220,992.71
  4. Step 4: Simplify right side
    12,003,033.09x = 76,000,338,348,283.22
  5. Step 5: Solve for x
    x = 76,000,338,348,283.22/12,003,033.09
  6. Step 6: Final answer
    x = 6,331,761.13

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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.