Home / 12,840,159.72-17,719,355.41-6,959,770.22

Finding the Fourth Proportional to 12,840,159.72, 17,719,355.41 and 6,959,770.22

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Solution

The fourth proportional to 12,840,159.72, 17,719,355.41 and 6,959,770.22 is: 9,604,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,159.72 : 17,719,355.41 = 6,959,770.22 : x
  2. Step 2: Convert to fraction form
    12,840,159.72/17,719,355.41 = 6,959,770.22/x
  3. Step 3: Cross multiply
    12,840,159.72x = 17,719,355.41 × 6,959,770.22
  4. Step 4: Simplify right side
    12,840,159.72x = 123,322,642,127,012.84
  5. Step 5: Solve for x
    x = 123,322,642,127,012.84/12,840,159.72
  6. Step 6: Final answer
    x = 9,604,447.67

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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.