Home / 38,013,379.80-52,459,570.76-21,493,149.66

Finding the Fourth Proportional to 38,013,379.80, 52,459,570.76 and 21,493,149.66

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Solution

The fourth proportional to 38,013,379.80, 52,459,570.76 and 21,493,149.66 is: 29,661,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,379.80 : 52,459,570.76 = 21,493,149.66 : x
  2. Step 2: Convert to fraction form
    38,013,379.80/52,459,570.76 = 21,493,149.66/x
  3. Step 3: Cross multiply
    38,013,379.80x = 52,459,570.76 × 21,493,149.66
  4. Step 4: Simplify right side
    38,013,379.80x = 1,127,521,405,444,040
  5. Step 5: Solve for x
    x = 1,127,521,405,444,040/38,013,379.80
  6. Step 6: Final answer
    x = 29,661,172.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.