Home / 26,282,509.80-39,368,773.53-21,137,126.82

Finding the Fourth Proportional to 26,282,509.80, 39,368,773.53 and 21,137,126.82

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Solution

The fourth proportional to 26,282,509.80, 39,368,773.53 and 21,137,126.82 is: 31,661,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,282,509.80 : 39,368,773.53 = 21,137,126.82 : x
  2. Step 2: Convert to fraction form
    26,282,509.80/39,368,773.53 = 21,137,126.82/x
  3. Step 3: Cross multiply
    26,282,509.80x = 39,368,773.53 × 21,137,126.82
  4. Step 4: Simplify right side
    26,282,509.80x = 832,142,758,851,469.12
  5. Step 5: Solve for x
    x = 832,142,758,851,469.12/26,282,509.80
  6. Step 6: Final answer
    x = 31,661,464.80

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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.