Home / 11,342,846.60-15,651,979.38-6,991,235.72

Finding the Fourth Proportional to 11,342,846.60, 15,651,979.38 and 6,991,235.72

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Solution

The fourth proportional to 11,342,846.60, 15,651,979.38 and 6,991,235.72 is: 9,647,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,846.60 : 15,651,979.38 = 6,991,235.72 : x
  2. Step 2: Convert to fraction form
    11,342,846.60/15,651,979.38 = 6,991,235.72/x
  3. Step 3: Cross multiply
    11,342,846.60x = 15,651,979.38 × 6,991,235.72
  4. Step 4: Simplify right side
    11,342,846.60x = 109,426,677,330,159.45
  5. Step 5: Solve for x
    x = 109,426,677,330,159.45/11,342,846.60
  6. Step 6: Final answer
    x = 9,647,197.14

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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.