Home / 15,713,649.03-21,686,723.25-9,518,514.09

Finding the Fourth Proportional to 15,713,649.03, 21,686,723.25 and 9,518,514.09

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Solution

The fourth proportional to 15,713,649.03, 21,686,723.25 and 9,518,514.09 is: 13,136,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713,649.03 : 21,686,723.25 = 9,518,514.09 : x
  2. Step 2: Convert to fraction form
    15,713,649.03/21,686,723.25 = 9,518,514.09/x
  3. Step 3: Cross multiply
    15,713,649.03x = 21,686,723.25 × 9,518,514.09
  4. Step 4: Simplify right side
    15,713,649.03x = 206,425,380,821,055.59
  5. Step 5: Solve for x
    x = 206,425,380,821,055.59/15,713,649.03
  6. Step 6: Final answer
    x = 13,136,692.85

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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.