Home / 28,771,845.10-43,157,767.65-18,022,302.70

Finding the Fourth Proportional to 28,771,845.10, 43,157,767.65 and 18,022,302.70

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Solution

The fourth proportional to 28,771,845.10, 43,157,767.65 and 18,022,302.70 is: 27,033,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,845.10 : 43,157,767.65 = 18,022,302.70 : x
  2. Step 2: Convert to fraction form
    28,771,845.10/43,157,767.65 = 18,022,302.70/x
  3. Step 3: Cross multiply
    28,771,845.10x = 43,157,767.65 × 18,022,302.70
  4. Step 4: Simplify right side
    28,771,845.10x = 777,802,352,444,567.62
  5. Step 5: Solve for x
    x = 777,802,352,444,567.62/28,771,845.10
  6. Step 6: Final answer
    x = 27,033,454.05

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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.