Home / 20,361,509.31-30,501,370.32-9,416,357.43

Finding the Fourth Proportional to 20,361,509.31, 30,501,370.32 and 9,416,357.43

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Solution

The fourth proportional to 20,361,509.31, 30,501,370.32 and 9,416,357.43 is: 14,105,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,509.31 : 30,501,370.32 = 9,416,357.43 : x
  2. Step 2: Convert to fraction form
    20,361,509.31/30,501,370.32 = 9,416,357.43/x
  3. Step 3: Cross multiply
    20,361,509.31x = 30,501,370.32 × 9,416,357.43
  4. Step 4: Simplify right side
    20,361,509.31x = 287,211,804,888,222
  5. Step 5: Solve for x
    x = 287,211,804,888,222/20,361,509.31
  6. Step 6: Final answer
    x = 14,105,624.51

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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.