Home / 55,338,460.10-82,952,137.86-18,921,945.38

Finding the Fourth Proportional to 55,338,460.10, 82,952,137.86 and 18,921,945.38

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Solution

The fourth proportional to 55,338,460.10, 82,952,137.86 and 18,921,945.38 is: 28,363,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,338,460.10 : 82,952,137.86 = 18,921,945.38 : x
  2. Step 2: Convert to fraction form
    55,338,460.10/82,952,137.86 = 18,921,945.38/x
  3. Step 3: Cross multiply
    55,338,460.10x = 82,952,137.86 × 18,921,945.38
  4. Step 4: Simplify right side
    55,338,460.10x = 1,569,615,821,741,150
  5. Step 5: Solve for x
    x = 1,569,615,821,741,150/55,338,460.10
  6. Step 6: Final answer
    x = 28,363,923.01

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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.