Home / 13,634,308.04-18,822,163.38-8,479,330.52

Finding the Fourth Proportional to 13,634,308.04, 18,822,163.38 and 8,479,330.52

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Solution

The fourth proportional to 13,634,308.04, 18,822,163.38 and 8,479,330.52 is: 11,705,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,308.04 : 18,822,163.38 = 8,479,330.52 : x
  2. Step 2: Convert to fraction form
    13,634,308.04/18,822,163.38 = 8,479,330.52/x
  3. Step 3: Cross multiply
    13,634,308.04x = 18,822,163.38 × 8,479,330.52
  4. Step 4: Simplify right side
    13,634,308.04x = 159,599,344,400,460.34
  5. Step 5: Solve for x
    x = 159,599,344,400,460.34/13,634,308.04
  6. Step 6: Final answer
    x = 11,705,716.49

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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.