Home / 19,087,471.88-28,595,082.69-11,283,020.90

Finding the Fourth Proportional to 19,087,471.88, 28,595,082.69 and 11,283,020.90

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Solution

The fourth proportional to 19,087,471.88, 28,595,082.69 and 11,283,020.90 is: 16,903,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087,471.88 : 28,595,082.69 = 11,283,020.90 : x
  2. Step 2: Convert to fraction form
    19,087,471.88/28,595,082.69 = 11,283,020.90/x
  3. Step 3: Cross multiply
    19,087,471.88x = 28,595,082.69 × 11,283,020.90
  4. Step 4: Simplify right side
    19,087,471.88x = 322,638,915,485,522.81
  5. Step 5: Solve for x
    x = 322,638,915,485,522.81/19,087,471.88
  6. Step 6: Final answer
    x = 16,903,176.99

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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.