Home / 12,740,813.96-17,586,165.36-8,668,794.92

Finding the Fourth Proportional to 12,740,813.96, 17,586,165.36 and 8,668,794.92

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Solution

The fourth proportional to 12,740,813.96, 17,586,165.36 and 8,668,794.92 is: 11,965,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,813.96 : 17,586,165.36 = 8,668,794.92 : x
  2. Step 2: Convert to fraction form
    12,740,813.96/17,586,165.36 = 8,668,794.92/x
  3. Step 3: Cross multiply
    12,740,813.96x = 17,586,165.36 × 8,668,794.92
  4. Step 4: Simplify right side
    12,740,813.96x = 152,450,860,935,047.97
  5. Step 5: Solve for x
    x = 152,450,860,935,047.97/12,740,813.96
  6. Step 6: Final answer
    x = 11,965,551.13

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Double scale
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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.