Home / 19,137,744.40-28,706,616.60-18,391,248.40

Finding the Fourth Proportional to 19,137,744.40, 28,706,616.60 and 18,391,248.40

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Solution

The fourth proportional to 19,137,744.40, 28,706,616.60 and 18,391,248.40 is: 27,586,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137,744.40 : 28,706,616.60 = 18,391,248.40 : x
  2. Step 2: Convert to fraction form
    19,137,744.40/28,706,616.60 = 18,391,248.40/x
  3. Step 3: Cross multiply
    19,137,744.40x = 28,706,616.60 × 18,391,248.40
  4. Step 4: Simplify right side
    19,137,744.40x = 527,950,516,614,163.44
  5. Step 5: Solve for x
    x = 527,950,516,614,163.44/19,137,744.40
  6. Step 6: Final answer
    x = 27,586,872.60

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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.