Home / 28,479,086.00-39,300,216.13-15,919,806.57

Finding the Fourth Proportional to 28,479,086.00, 39,300,216.13 and 15,919,806.57

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Solution

The fourth proportional to 28,479,086.00, 39,300,216.13 and 15,919,806.57 is: 21,968,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,086.00 : 39,300,216.13 = 15,919,806.57 : x
  2. Step 2: Convert to fraction form
    28,479,086.00/39,300,216.13 = 15,919,806.57/x
  3. Step 3: Cross multiply
    28,479,086.00x = 39,300,216.13 × 15,919,806.57
  4. Step 4: Simplify right side
    28,479,086.00x = 625,651,838,997,615.25
  5. Step 5: Solve for x
    x = 625,651,838,997,615.25/28,479,086.00
  6. Step 6: Final answer
    x = 21,968,817.36

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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.