Home / 11,416,964.40-15,740,169.32-9,069,949.58

Finding the Fourth Proportional to 11,416,964.40, 15,740,169.32 and 9,069,949.58

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Solution

The fourth proportional to 11,416,964.40, 15,740,169.32 and 9,069,949.58 is: 12,504,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416,964.40 : 15,740,169.32 = 9,069,949.58 : x
  2. Step 2: Convert to fraction form
    11,416,964.40/15,740,169.32 = 9,069,949.58/x
  3. Step 3: Cross multiply
    11,416,964.40x = 15,740,169.32 × 9,069,949.58
  4. Step 4: Simplify right side
    11,416,964.40x = 142,762,541,989,012.28
  5. Step 5: Solve for x
    x = 142,762,541,989,012.28/11,416,964.40
  6. Step 6: Final answer
    x = 12,504,422.10

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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.