Home / 11,342,842.60-15,651,973.86-6,991,231.72

Finding the Fourth Proportional to 11,342,842.60, 15,651,973.86 and 6,991,231.72

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Solution

The fourth proportional to 11,342,842.60, 15,651,973.86 and 6,991,231.72 is: 9,647,191.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,842.60 : 15,651,973.86 = 6,991,231.72 : x
  2. Step 2: Convert to fraction form
    11,342,842.60/15,651,973.86 = 6,991,231.72/x
  3. Step 3: Cross multiply
    11,342,842.60x = 15,651,973.86 × 6,991,231.72
  4. Step 4: Simplify right side
    11,342,842.60x = 109,426,576,130,642.83
  5. Step 5: Solve for x
    x = 109,426,576,130,642.83/11,342,842.60
  6. Step 6: Final answer
    x = 9,647,191.62

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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.