Home / 37,557,101.48-51,829,104.40-20,812,120.76

Finding the Fourth Proportional to 37,557,101.48, 51,829,104.40 and 20,812,120.76

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Solution

The fourth proportional to 37,557,101.48, 51,829,104.40 and 20,812,120.76 is: 28,720,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557,101.48 : 51,829,104.40 = 20,812,120.76 : x
  2. Step 2: Convert to fraction form
    37,557,101.48/51,829,104.40 = 20,812,120.76/x
  3. Step 3: Cross multiply
    37,557,101.48x = 51,829,104.40 × 20,812,120.76
  4. Step 4: Simplify right side
    37,557,101.48x = 1,078,673,579,732,989.75
  5. Step 5: Solve for x
    x = 1,078,673,579,732,989.75/37,557,101.48
  6. Step 6: Final answer
    x = 28,720,895.31

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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.