Home / 9,470,159.76-13,067,845.23-6,990,699.54

Finding the Fourth Proportional to 9,470,159.76, 13,067,845.23 and 6,990,699.54

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Solution

The fourth proportional to 9,470,159.76, 13,067,845.23 and 6,990,699.54 is: 9,646,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470,159.76 : 13,067,845.23 = 6,990,699.54 : x
  2. Step 2: Convert to fraction form
    9,470,159.76/13,067,845.23 = 6,990,699.54/x
  3. Step 3: Cross multiply
    9,470,159.76x = 13,067,845.23 × 6,990,699.54
  4. Step 4: Simplify right side
    9,470,159.76x = 91,353,379,713,371.75
  5. Step 5: Solve for x
    x = 91,353,379,713,371.75/9,470,159.76
  6. Step 6: Final answer
    x = 9,646,445.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.