Home / 26,418,278.30-39,639,940.88-12,763,771.34

Finding the Fourth Proportional to 26,418,278.30, 39,639,940.88 and 12,763,771.34

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Solution

The fourth proportional to 26,418,278.30, 39,639,940.88 and 12,763,771.34 is: 19,151,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418,278.30 : 39,639,940.88 = 12,763,771.34 : x
  2. Step 2: Convert to fraction form
    26,418,278.30/39,639,940.88 = 12,763,771.34/x
  3. Step 3: Cross multiply
    26,418,278.30x = 39,639,940.88 × 12,763,771.34
  4. Step 4: Simplify right side
    26,418,278.30x = 505,955,141,061,419.88
  5. Step 5: Solve for x
    x = 505,955,141,061,419.88/26,418,278.30
  6. Step 6: Final answer
    x = 19,151,707.59

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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.