Home / 20,117,403.25-30,180,604.25-7,337,907.95

Finding the Fourth Proportional to 20,117,403.25, 30,180,604.25 and 7,337,907.95

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Solution

The fourth proportional to 20,117,403.25, 30,180,604.25 and 7,337,907.95 is: 11,008,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,403.25 : 30,180,604.25 = 7,337,907.95 : x
  2. Step 2: Convert to fraction form
    20,117,403.25/30,180,604.25 = 7,337,907.95/x
  3. Step 3: Cross multiply
    20,117,403.25x = 30,180,604.25 × 7,337,907.95
  4. Step 4: Simplify right side
    20,117,403.25x = 221,462,495,825,189.25
  5. Step 5: Solve for x
    x = 221,462,495,825,189.25/20,117,403.25
  6. Step 6: Final answer
    x = 11,008,503.09

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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.