Home / 30,363,832.18-41,858,506.68-21,646,871.20

Finding the Fourth Proportional to 30,363,832.18, 41,858,506.68 and 21,646,871.20

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Solution

The fourth proportional to 30,363,832.18, 41,858,506.68 and 21,646,871.20 is: 29,841,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,832.18 : 41,858,506.68 = 21,646,871.20 : x
  2. Step 2: Convert to fraction form
    30,363,832.18/41,858,506.68 = 21,646,871.20/x
  3. Step 3: Cross multiply
    30,363,832.18x = 41,858,506.68 × 21,646,871.20
  4. Step 4: Simplify right side
    30,363,832.18x = 906,105,702,726,299.62
  5. Step 5: Solve for x
    x = 906,105,702,726,299.62/30,363,832.18
  6. Step 6: Final answer
    x = 29,841,612.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.