Home / 13,821,644.85-20,732,476.47-5,732,448.51

Finding the Fourth Proportional to 13,821,644.85, 20,732,476.47 and 5,732,448.51

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Solution

The fourth proportional to 13,821,644.85, 20,732,476.47 and 5,732,448.51 is: 8,598,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,644.85 : 20,732,476.47 = 5,732,448.51 : x
  2. Step 2: Convert to fraction form
    13,821,644.85/20,732,476.47 = 5,732,448.51/x
  3. Step 3: Cross multiply
    13,821,644.85x = 20,732,476.47 × 5,732,448.51
  4. Step 4: Simplify right side
    13,821,644.85x = 118,847,853,849,061.55
  5. Step 5: Solve for x
    x = 118,847,853,849,061.55/13,821,644.85
  6. Step 6: Final answer
    x = 8,598,676.58

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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.