Home / 13,717,959.40-18,929,861.22-7,606,161.64

Finding the Fourth Proportional to 13,717,959.40, 18,929,861.22 and 7,606,161.64

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Solution

The fourth proportional to 13,717,959.40, 18,929,861.22 and 7,606,161.64 is: 10,495,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717,959.40 : 18,929,861.22 = 7,606,161.64 : x
  2. Step 2: Convert to fraction form
    13,717,959.40/18,929,861.22 = 7,606,161.64/x
  3. Step 3: Cross multiply
    13,717,959.40x = 18,929,861.22 × 7,606,161.64
  4. Step 4: Simplify right side
    13,717,959.40x = 143,983,584,262,087.59
  5. Step 5: Solve for x
    x = 143,983,584,262,087.59/13,717,959.40
  6. Step 6: Final answer
    x = 10,495,991.43

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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.