Home / 38,131,962.01-52,620,999.67-21,613,607.06

Finding the Fourth Proportional to 38,131,962.01, 52,620,999.67 and 21,613,607.06

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Solution

The fourth proportional to 38,131,962.01, 52,620,999.67 and 21,613,607.06 is: 29,826,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131,962.01 : 52,620,999.67 = 21,613,607.06 : x
  2. Step 2: Convert to fraction form
    38,131,962.01/52,620,999.67 = 21,613,607.06/x
  3. Step 3: Cross multiply
    38,131,962.01x = 52,620,999.67 × 21,613,607.06
  4. Step 4: Simplify right side
    38,131,962.01x = 1,137,329,609,735,681.75
  5. Step 5: Solve for x
    x = 1,137,329,609,735,681.75/38,131,962.01
  6. Step 6: Final answer
    x = 29,826,149.76

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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.