Home / 49,392,378.74-74,059,849.76-18,689,329.88

Finding the Fourth Proportional to 49,392,378.74, 74,059,849.76 and 18,689,329.88

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Solution

The fourth proportional to 49,392,378.74, 74,059,849.76 and 18,689,329.88 is: 28,023,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,392,378.74 : 74,059,849.76 = 18,689,329.88 : x
  2. Step 2: Convert to fraction form
    49,392,378.74/74,059,849.76 = 18,689,329.88/x
  3. Step 3: Cross multiply
    49,392,378.74x = 74,059,849.76 × 18,689,329.88
  4. Step 4: Simplify right side
    49,392,378.74x = 1,384,128,963,119,581.75
  5. Step 5: Solve for x
    x = 1,384,128,963,119,581.75/49,392,378.74
  6. Step 6: Final answer
    x = 28,023,128.23

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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.