Home / 20,117,796.35-30,158,497.76-7,335,311.69

Finding the Fourth Proportional to 20,117,796.35, 30,158,497.76 and 7,335,311.69

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Solution

The fourth proportional to 20,117,796.35, 30,158,497.76 and 7,335,311.69 is: 10,996,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,796.35 : 30,158,497.76 = 7,335,311.69 : x
  2. Step 2: Convert to fraction form
    20,117,796.35/30,158,497.76 = 7,335,311.69/x
  3. Step 3: Cross multiply
    20,117,796.35x = 30,158,497.76 × 7,335,311.69
  4. Step 4: Simplify right side
    20,117,796.35x = 221,221,980,984,297.75
  5. Step 5: Solve for x
    x = 221,221,980,984,297.75/20,117,796.35
  6. Step 6: Final answer
    x = 10,996,332.66

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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.