Home / 28,211,618.51-38,936,289.02-17,204,753.15

Finding the Fourth Proportional to 28,211,618.51, 38,936,289.02 and 17,204,753.15

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Solution

The fourth proportional to 28,211,618.51, 38,936,289.02 and 17,204,753.15 is: 23,745,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211,618.51 : 38,936,289.02 = 17,204,753.15 : x
  2. Step 2: Convert to fraction form
    28,211,618.51/38,936,289.02 = 17,204,753.15/x
  3. Step 3: Cross multiply
    28,211,618.51x = 38,936,289.02 × 17,204,753.15
  4. Step 4: Simplify right side
    28,211,618.51x = 669,889,241,128,238
  5. Step 5: Solve for x
    x = 669,889,241,128,238/28,211,618.51
  6. Step 6: Final answer
    x = 23,745,154.54

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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.