Home / 15,920,342.40-21,967,852.95-8,950,067.22

Finding the Fourth Proportional to 15,920,342.40, 21,967,852.95 and 8,950,067.22

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Solution

The fourth proportional to 15,920,342.40, 21,967,852.95 and 8,950,067.22 is: 12,349,844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920,342.40 : 21,967,852.95 = 8,950,067.22 : x
  2. Step 2: Convert to fraction form
    15,920,342.40/21,967,852.95 = 8,950,067.22/x
  3. Step 3: Cross multiply
    15,920,342.40x = 21,967,852.95 × 8,950,067.22
  4. Step 4: Simplify right side
    15,920,342.40x = 196,613,760,581,575.31
  5. Step 5: Solve for x
    x = 196,613,760,581,575.31/15,920,342.40
  6. Step 6: Final answer
    x = 12,349,844.97

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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.