Home / 12,849,357.96-17,731,794.34-7,342,383.42

Finding the Fourth Proportional to 12,849,357.96, 17,731,794.34 and 7,342,383.42

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Solution

The fourth proportional to 12,849,357.96, 17,731,794.34 and 7,342,383.42 is: 10,132,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,357.96 : 17,731,794.34 = 7,342,383.42 : x
  2. Step 2: Convert to fraction form
    12,849,357.96/17,731,794.34 = 7,342,383.42/x
  3. Step 3: Cross multiply
    12,849,357.96x = 17,731,794.34 × 7,342,383.42
  4. Step 4: Simplify right side
    12,849,357.96x = 130,193,632,768,865.84
  5. Step 5: Solve for x
    x = 130,193,632,768,865.84/12,849,357.96
  6. Step 6: Final answer
    x = 10,132,306.47

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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.