Home / 11,319,120-16,968,006.72-5,633,969.76

Finding the Fourth Proportional to 11,319,120, 16,968,006.72 and 5,633,969.76

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Solution

The fourth proportional to 11,319,120, 16,968,006.72 and 5,633,969.76 is: 8,445,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319,120 : 16,968,006.72 = 5,633,969.76 : x
  2. Step 2: Convert to fraction form
    11,319,120/16,968,006.72 = 5,633,969.76/x
  3. Step 3: Cross multiply
    11,319,120x = 16,968,006.72 × 5,633,969.76
  4. Step 4: Simplify right side
    11,319,120x = 95,597,236,747,956.78
  5. Step 5: Solve for x
    x = 95,597,236,747,956.78/11,319,120
  6. Step 6: Final answer
    x = 8,445,642.13

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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.