Home / 22,779,338.62-31,435,466.98-12,858,309.65

Finding the Fourth Proportional to 22,779,338.62, 31,435,466.98 and 12,858,309.65

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Solution

The fourth proportional to 22,779,338.62, 31,435,466.98 and 12,858,309.65 is: 17,744,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779,338.62 : 31,435,466.98 = 12,858,309.65 : x
  2. Step 2: Convert to fraction form
    22,779,338.62/31,435,466.98 = 12,858,309.65/x
  3. Step 3: Cross multiply
    22,779,338.62x = 31,435,466.98 × 12,858,309.65
  4. Step 4: Simplify right side
    22,779,338.62x = 404,206,968,421,190.38
  5. Step 5: Solve for x
    x = 404,206,968,421,190.38/22,779,338.62
  6. Step 6: Final answer
    x = 17,744,455.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.