Home / 37,557,113.79-51,829,121.39-20,812,133.04

Finding the Fourth Proportional to 37,557,113.79, 51,829,121.39 and 20,812,133.04

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Solution

The fourth proportional to 37,557,113.79, 51,829,121.39 and 20,812,133.04 is: 28,720,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557,113.79 : 51,829,121.39 = 20,812,133.04 : x
  2. Step 2: Convert to fraction form
    37,557,113.79/51,829,121.39 = 20,812,133.04/x
  3. Step 3: Cross multiply
    37,557,113.79x = 51,829,121.39 × 20,812,133.04
  4. Step 4: Simplify right side
    37,557,113.79x = 1,078,674,569,714,989.75
  5. Step 5: Solve for x
    x = 1,078,674,569,714,989.75/37,557,113.79
  6. Step 6: Final answer
    x = 28,720,912.26

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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.