Home / 20,917,305.54-31,377,767.85-5,771,235.42

Finding the Fourth Proportional to 20,917,305.54, 31,377,767.85 and 5,771,235.42

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Solution

The fourth proportional to 20,917,305.54, 31,377,767.85 and 5,771,235.42 is: 8,657,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917,305.54 : 31,377,767.85 = 5,771,235.42 : x
  2. Step 2: Convert to fraction form
    20,917,305.54/31,377,767.85 = 5,771,235.42/x
  3. Step 3: Cross multiply
    20,917,305.54x = 31,377,767.85 × 5,771,235.42
  4. Step 4: Simplify right side
    20,917,305.54x = 181,088,485,216,457.25
  5. Step 5: Solve for x
    x = 181,088,485,216,457.25/20,917,305.54
  6. Step 6: Final answer
    x = 8,657,352.40

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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.