Home / 33,119,939.20-49,679,908.80-10,403,132.80

Finding the Fourth Proportional to 33,119,939.20, 49,679,908.80 and 10,403,132.80

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Solution

The fourth proportional to 33,119,939.20, 49,679,908.80 and 10,403,132.80 is: 15,604,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119,939.20 : 49,679,908.80 = 10,403,132.80 : x
  2. Step 2: Convert to fraction form
    33,119,939.20/49,679,908.80 = 10,403,132.80/x
  3. Step 3: Cross multiply
    33,119,939.20x = 49,679,908.80 × 10,403,132.80
  4. Step 4: Simplify right side
    33,119,939.20x = 516,826,688,738,288.62
  5. Step 5: Solve for x
    x = 516,826,688,738,288.62/33,119,939.20
  6. Step 6: Final answer
    x = 15,604,699.20

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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.