Home / 15,358,063.86-21,194,002.12-8,388,745.84

Finding the Fourth Proportional to 15,358,063.86, 21,194,002.12 and 8,388,745.84

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Solution

The fourth proportional to 15,358,063.86, 21,194,002.12 and 8,388,745.84 is: 11,576,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358,063.86 : 21,194,002.12 = 8,388,745.84 : x
  2. Step 2: Convert to fraction form
    15,358,063.86/21,194,002.12 = 8,388,745.84/x
  3. Step 3: Cross multiply
    15,358,063.86x = 21,194,002.12 × 8,388,745.84
  4. Step 4: Simplify right side
    15,358,063.86x = 177,791,097,117,101.19
  5. Step 5: Solve for x
    x = 177,791,097,117,101.19/15,358,063.86
  6. Step 6: Final answer
    x = 11,576,400.43

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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.