Home / 19,681,861.38-29,519,427.26-5,301,566.16

Finding the Fourth Proportional to 19,681,861.38, 29,519,427.26 and 5,301,566.16

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Solution

The fourth proportional to 19,681,861.38, 29,519,427.26 and 5,301,566.16 is: 7,951,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,861.38 : 29,519,427.26 = 5,301,566.16 : x
  2. Step 2: Convert to fraction form
    19,681,861.38/29,519,427.26 = 5,301,566.16/x
  3. Step 3: Cross multiply
    19,681,861.38x = 29,519,427.26 × 5,301,566.16
  4. Step 4: Simplify right side
    19,681,861.38x = 156,499,196,624,197.53
  5. Step 5: Solve for x
    x = 156,499,196,624,197.53/19,681,861.38
  6. Step 6: Final answer
    x = 7,951,442.88

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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.