Home / 38,850,519.80-53,612,312.24-21,446,491.38

Finding the Fourth Proportional to 38,850,519.80, 53,612,312.24 and 21,446,491.38

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Solution

The fourth proportional to 38,850,519.80, 53,612,312.24 and 21,446,491.38 is: 29,595,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850,519.80 : 53,612,312.24 = 21,446,491.38 : x
  2. Step 2: Convert to fraction form
    38,850,519.80/53,612,312.24 = 21,446,491.38/x
  3. Step 3: Cross multiply
    38,850,519.80x = 53,612,312.24 × 21,446,491.38
  4. Step 4: Simplify right side
    38,850,519.80x = 1,149,795,992,209,796
  5. Step 5: Solve for x
    x = 1,149,795,992,209,796/38,850,519.80
  6. Step 6: Final answer
    x = 29,595,382.46

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1.5x scale

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.