Home / 13,296,619.17-18,346,209.01-8,069,511.38

Finding the Fourth Proportional to 13,296,619.17, 18,346,209.01 and 8,069,511.38

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Solution

The fourth proportional to 13,296,619.17, 18,346,209.01 and 8,069,511.38 is: 11,134,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,619.17 : 18,346,209.01 = 8,069,511.38 : x
  2. Step 2: Convert to fraction form
    13,296,619.17/18,346,209.01 = 8,069,511.38/x
  3. Step 3: Cross multiply
    13,296,619.17x = 18,346,209.01 × 8,069,511.38
  4. Step 4: Simplify right side
    13,296,619.17x = 148,044,942,274,148.72
  5. Step 5: Solve for x
    x = 148,044,942,274,148.72/13,296,619.17
  6. Step 6: Final answer
    x = 11,134,028.91

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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.