Home / 19,681,491.39-29,520,243.80-5,306,012.34

Finding the Fourth Proportional to 19,681,491.39, 29,520,243.80 and 5,306,012.34

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Solution

The fourth proportional to 19,681,491.39, 29,520,243.80 and 5,306,012.34 is: 7,958,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,491.39 : 29,520,243.80 = 5,306,012.34 : x
  2. Step 2: Convert to fraction form
    19,681,491.39/29,520,243.80 = 5,306,012.34/x
  3. Step 3: Cross multiply
    19,681,491.39x = 29,520,243.80 × 5,306,012.34
  4. Step 4: Simplify right side
    19,681,491.39x = 156,634,777,875,975.97
  5. Step 5: Solve for x
    x = 156,634,777,875,975.97/19,681,491.39
  6. Step 6: Final answer
    x = 7,958,481.13

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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.