Home / 37,557,107.55-51,829,112.78-20,812,126.79

Finding the Fourth Proportional to 37,557,107.55, 51,829,112.78 and 20,812,126.79

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Solution

The fourth proportional to 37,557,107.55, 51,829,112.78 and 20,812,126.79 is: 28,720,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557,107.55 : 51,829,112.78 = 20,812,126.79 : x
  2. Step 2: Convert to fraction form
    37,557,107.55/51,829,112.78 = 20,812,126.79/x
  3. Step 3: Cross multiply
    37,557,107.55x = 51,829,112.78 × 20,812,126.79
  4. Step 4: Simplify right side
    37,557,107.55x = 1,078,674,066,227,363.12
  5. Step 5: Solve for x
    x = 1,078,674,066,227,363.12/37,557,107.55
  6. Step 6: Final answer
    x = 28,720,903.62

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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.