Home / 28,479,736.82-39,302,225.51-15,426,995.73

Finding the Fourth Proportional to 28,479,736.82, 39,302,225.51 and 15,426,995.73

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Solution

The fourth proportional to 28,479,736.82, 39,302,225.51 and 15,426,995.73 is: 21,289,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,736.82 : 39,302,225.51 = 15,426,995.73 : x
  2. Step 2: Convert to fraction form
    28,479,736.82/39,302,225.51 = 15,426,995.73/x
  3. Step 3: Cross multiply
    28,479,736.82x = 39,302,225.51 × 15,426,995.73
  4. Step 4: Simplify right side
    28,479,736.82x = 606,315,264,925,755.88
  5. Step 5: Solve for x
    x = 606,315,264,925,755.88/28,479,736.82
  6. Step 6: Final answer
    x = 21,289,356.32

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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.