Home / 7,617,193.20-11,418,220.80-3,819,083.76

Finding the Fourth Proportional to 7,617,193.20, 11,418,220.80 and 3,819,083.76

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Solution

The fourth proportional to 7,617,193.20, 11,418,220.80 and 3,819,083.76 is: 5,724,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617,193.20 : 11,418,220.80 = 3,819,083.76 : x
  2. Step 2: Convert to fraction form
    7,617,193.20/11,418,220.80 = 3,819,083.76/x
  3. Step 3: Cross multiply
    7,617,193.20x = 11,418,220.80 × 3,819,083.76
  4. Step 4: Simplify right side
    7,617,193.20x = 43,607,141,625,374.21
  5. Step 5: Solve for x
    x = 43,607,141,625,374.21/7,617,193.20
  6. Step 6: Final answer
    x = 5,724,830.72

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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.