Home / 12,392,428.29-18,575,352.45-5,993,878.65

Finding the Fourth Proportional to 12,392,428.29, 18,575,352.45 and 5,993,878.65

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Solution

The fourth proportional to 12,392,428.29, 18,575,352.45 and 5,993,878.65 is: 8,984,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,428.29 : 18,575,352.45 = 5,993,878.65 : x
  2. Step 2: Convert to fraction form
    12,392,428.29/18,575,352.45 = 5,993,878.65/x
  3. Step 3: Cross multiply
    12,392,428.29x = 18,575,352.45 × 5,993,878.65
  4. Step 4: Simplify right side
    12,392,428.29x = 111,338,408,466,280.19
  5. Step 5: Solve for x
    x = 111,338,408,466,280.19/12,392,428.29
  6. Step 6: Final answer
    x = 8,984,389.97

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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.