Home / 8,670,293.47-11,965,000.82-5,185,632.18

Finding the Fourth Proportional to 8,670,293.47, 11,965,000.82 and 5,185,632.18

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Solution

The fourth proportional to 8,670,293.47, 11,965,000.82 and 5,185,632.18 is: 7,156,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,293.47 : 11,965,000.82 = 5,185,632.18 : x
  2. Step 2: Convert to fraction form
    8,670,293.47/11,965,000.82 = 5,185,632.18/x
  3. Step 3: Cross multiply
    8,670,293.47x = 11,965,000.82 × 5,185,632.18
  4. Step 4: Simplify right side
    8,670,293.47x = 62,046,093,285,918.38
  5. Step 5: Solve for x
    x = 62,046,093,285,918.38/8,670,293.47
  6. Step 6: Final answer
    x = 7,156,169.92

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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.