Home / 8,742,618.97-13,105,989.61-3,059,743.21

Finding the Fourth Proportional to 8,742,618.97, 13,105,989.61 and 3,059,743.21

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Solution

The fourth proportional to 8,742,618.97, 13,105,989.61 and 3,059,743.21 is: 4,586,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,618.97 : 13,105,989.61 = 3,059,743.21 : x
  2. Step 2: Convert to fraction form
    8,742,618.97/13,105,989.61 = 3,059,743.21/x
  3. Step 3: Cross multiply
    8,742,618.97x = 13,105,989.61 × 3,059,743.21
  4. Step 4: Simplify right side
    8,742,618.97x = 40,100,962,679,113.72
  5. Step 5: Solve for x
    x = 40,100,962,679,113.72/8,742,618.97
  6. Step 6: Final answer
    x = 4,586,836.37

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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.