Home / 15,774,604.96-21,768,969.36-8,531,260.96

Finding the Fourth Proportional to 15,774,604.96, 21,768,969.36 and 8,531,260.96

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Solution

The fourth proportional to 15,774,604.96, 21,768,969.36 and 8,531,260.96 is: 11,773,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,604.96 : 21,768,969.36 = 8,531,260.96 : x
  2. Step 2: Convert to fraction form
    15,774,604.96/21,768,969.36 = 8,531,260.96/x
  3. Step 3: Cross multiply
    15,774,604.96x = 21,768,969.36 × 8,531,260.96
  4. Step 4: Simplify right side
    15,774,604.96x = 185,716,758,440,404.19
  5. Step 5: Solve for x
    x = 185,716,758,440,404.19/15,774,604.96
  6. Step 6: Final answer
    x = 11,773,147.97

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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.