Home / 13,024,133.46-17,981,537.40-8,380,077.84

Finding the Fourth Proportional to 13,024,133.46, 17,981,537.40 and 8,380,077.84

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Solution

The fourth proportional to 13,024,133.46, 17,981,537.40 and 8,380,077.84 is: 11,569,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024,133.46 : 17,981,537.40 = 8,380,077.84 : x
  2. Step 2: Convert to fraction form
    13,024,133.46/17,981,537.40 = 8,380,077.84/x
  3. Step 3: Cross multiply
    13,024,133.46x = 17,981,537.40 × 8,380,077.84
  4. Step 4: Simplify right side
    13,024,133.46x = 150,686,683,094,871.19
  5. Step 5: Solve for x
    x = 150,686,683,094,871.19/13,024,133.46
  6. Step 6: Final answer
    x = 11,569,804.90

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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.