Home / 12,886,364.58-17,783,519.82-7,006,394.22

Finding the Fourth Proportional to 12,886,364.58, 17,783,519.82 and 7,006,394.22

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Solution

The fourth proportional to 12,886,364.58, 17,783,519.82 and 7,006,394.22 is: 9,669,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,364.58 : 17,783,519.82 = 7,006,394.22 : x
  2. Step 2: Convert to fraction form
    12,886,364.58/17,783,519.82 = 7,006,394.22/x
  3. Step 3: Cross multiply
    12,886,364.58x = 17,783,519.82 × 7,006,394.22
  4. Step 4: Simplify right side
    12,886,364.58x = 124,598,350,478,103.44
  5. Step 5: Solve for x
    x = 124,598,350,478,103.44/12,886,364.58
  6. Step 6: Final answer
    x = 9,669,007.09

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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.