Home / 20,017,638.38-30,026,461.64-5,638,837.82

Finding the Fourth Proportional to 20,017,638.38, 30,026,461.64 and 5,638,837.82

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Solution

The fourth proportional to 20,017,638.38, 30,026,461.64 and 5,638,837.82 is: 8,458,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,638.38 : 30,026,461.64 = 5,638,837.82 : x
  2. Step 2: Convert to fraction form
    20,017,638.38/30,026,461.64 = 5,638,837.82/x
  3. Step 3: Cross multiply
    20,017,638.38x = 30,026,461.64 × 5,638,837.82
  4. Step 4: Simplify right side
    20,017,638.38x = 169,314,347,543,283.19
  5. Step 5: Solve for x
    x = 169,314,347,543,283.19/20,017,638.38
  6. Step 6: Final answer
    x = 8,458,257.88

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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.