Home / 38,290,729.98-57,436,594.78-12,731,739.38

Finding the Fourth Proportional to 38,290,729.98, 57,436,594.78 and 12,731,739.38

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Solution

The fourth proportional to 38,290,729.98, 57,436,594.78 and 12,731,739.38 is: 19,097,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,729.98 : 57,436,594.78 = 12,731,739.38 : x
  2. Step 2: Convert to fraction form
    38,290,729.98/57,436,594.78 = 12,731,739.38/x
  3. Step 3: Cross multiply
    38,290,729.98x = 57,436,594.78 × 12,731,739.38
  4. Step 4: Simplify right side
    38,290,729.98x = 731,267,755,613,628.50
  5. Step 5: Solve for x
    x = 731,267,755,613,628.50/38,290,729.98
  6. Step 6: Final answer
    x = 19,097,775.26

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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.