Home / 17,556,815.40-26,332,562.16-4,778,315.88

Finding the Fourth Proportional to 17,556,815.40, 26,332,562.16 and 4,778,315.88

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Solution

The fourth proportional to 17,556,815.40, 26,332,562.16 and 4,778,315.88 is: 7,166,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,556,815.40 : 26,332,562.16 = 4,778,315.88 : x
  2. Step 2: Convert to fraction form
    17,556,815.40/26,332,562.16 = 4,778,315.88/x
  3. Step 3: Cross multiply
    17,556,815.40x = 26,332,562.16 × 4,778,315.88
  4. Step 4: Simplify right side
    17,556,815.40x = 125,825,299,930,215.09
  5. Step 5: Solve for x
    x = 125,825,299,930,215.09/17,556,815.40
  6. Step 6: Final answer
    x = 7,166,749.61

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1.5x scale

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.