Home / 21,707,774.55-32,554,748.61-7,131,310.54

Finding the Fourth Proportional to 21,707,774.55, 32,554,748.61 and 7,131,310.54

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Solution

The fourth proportional to 21,707,774.55, 32,554,748.61 and 7,131,310.54 is: 10,694,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707,774.55 : 32,554,748.61 = 7,131,310.54 : x
  2. Step 2: Convert to fraction form
    21,707,774.55/32,554,748.61 = 7,131,310.54/x
  3. Step 3: Cross multiply
    21,707,774.55x = 32,554,748.61 × 7,131,310.54
  4. Step 4: Simplify right side
    21,707,774.55x = 232,158,021,889,543.34
  5. Step 5: Solve for x
    x = 232,158,021,889,543.34/21,707,774.55
  6. Step 6: Final answer
    x = 10,694,694.72

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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.