Home / 9,672,221.40-14,487,336.90-7,992,605.40

Finding the Fourth Proportional to 9,672,221.40, 14,487,336.90 and 7,992,605.40

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Solution

The fourth proportional to 9,672,221.40, 14,487,336.90 and 7,992,605.40 is: 11,971,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672,221.40 : 14,487,336.90 = 7,992,605.40 : x
  2. Step 2: Convert to fraction form
    9,672,221.40/14,487,336.90 = 7,992,605.40/x
  3. Step 3: Cross multiply
    9,672,221.40x = 14,487,336.90 × 7,992,605.40
  4. Step 4: Simplify right side
    9,672,221.40x = 115,791,567,138,559.27
  5. Step 5: Solve for x
    x = 115,791,567,138,559.27/9,672,221.40
  6. Step 6: Final answer
    x = 11,971,558.79

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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.