Home / 22,677,148.87-31,297,122.24-12,889,064.38

Finding the Fourth Proportional to 22,677,148.87, 31,297,122.24 and 12,889,064.38

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Solution

The fourth proportional to 22,677,148.87, 31,297,122.24 and 12,889,064.38 is: 17,788,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677,148.87 : 31,297,122.24 = 12,889,064.38 : x
  2. Step 2: Convert to fraction form
    22,677,148.87/31,297,122.24 = 12,889,064.38/x
  3. Step 3: Cross multiply
    22,677,148.87x = 31,297,122.24 × 12,889,064.38
  4. Step 4: Simplify right side
    22,677,148.87x = 403,390,623,509,559.31
  5. Step 5: Solve for x
    x = 403,390,623,509,559.31/22,677,148.87
  6. Step 6: Final answer
    x = 17,788,418.90

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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.