Home / 20,298,350.69-30,445,996.50-6,464,751.47

Finding the Fourth Proportional to 20,298,350.69, 30,445,996.50 and 6,464,751.47

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Solution

The fourth proportional to 20,298,350.69, 30,445,996.50 and 6,464,751.47 is: 9,696,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,350.69 : 30,445,996.50 = 6,464,751.47 : x
  2. Step 2: Convert to fraction form
    20,298,350.69/30,445,996.50 = 6,464,751.47/x
  3. Step 3: Cross multiply
    20,298,350.69x = 30,445,996.50 × 6,464,751.47
  4. Step 4: Simplify right side
    20,298,350.69x = 196,825,800,575,393.62
  5. Step 5: Solve for x
    x = 196,825,800,575,393.62/20,298,350.69
  6. Step 6: Final answer
    x = 9,696,640.06

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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.