Home / 21,819,189.14-32,728,947.77-9,685,390.55

Finding the Fourth Proportional to 21,819,189.14, 32,728,947.77 and 9,685,390.55

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Solution

The fourth proportional to 21,819,189.14, 32,728,947.77 and 9,685,390.55 is: 14,528,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,189.14 : 32,728,947.77 = 9,685,390.55 : x
  2. Step 2: Convert to fraction form
    21,819,189.14/32,728,947.77 = 9,685,390.55/x
  3. Step 3: Cross multiply
    21,819,189.14x = 32,728,947.77 × 9,685,390.55
  4. Step 4: Simplify right side
    21,819,189.14x = 316,992,641,476,397
  5. Step 5: Solve for x
    x = 316,992,641,476,397/21,819,189.14
  6. Step 6: Final answer
    x = 14,528,158.65

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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.