Home / 20,298,033.74-30,445,519.51-6,464,433.45

Finding the Fourth Proportional to 20,298,033.74, 30,445,519.51 and 6,464,433.45

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Solution

The fourth proportional to 20,298,033.74, 30,445,519.51 and 6,464,433.45 is: 9,696,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,033.74 : 30,445,519.51 = 6,464,433.45 : x
  2. Step 2: Convert to fraction form
    20,298,033.74/30,445,519.51 = 6,464,433.45/x
  3. Step 3: Cross multiply
    20,298,033.74x = 30,445,519.51 × 6,464,433.45
  4. Step 4: Simplify right side
    20,298,033.74x = 196,813,034,723,071.62
  5. Step 5: Solve for x
    x = 196,813,034,723,071.62/20,298,033.74
  6. Step 6: Final answer
    x = 9,696,162.56

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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.