Home / 15,696,406.61-21,661,293.02-8,632,279.07

Finding the Fourth Proportional to 15,696,406.61, 21,661,293.02 and 8,632,279.07

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Solution

The fourth proportional to 15,696,406.61, 21,661,293.02 and 8,632,279.07 is: 11,912,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,406.61 : 21,661,293.02 = 8,632,279.07 : x
  2. Step 2: Convert to fraction form
    15,696,406.61/21,661,293.02 = 8,632,279.07/x
  3. Step 3: Cross multiply
    15,696,406.61x = 21,661,293.02 × 8,632,279.07
  4. Step 4: Simplify right side
    15,696,406.61x = 186,986,326,214,215.22
  5. Step 5: Solve for x
    x = 186,986,326,214,215.22/15,696,406.61
  6. Step 6: Final answer
    x = 11,912,683.64

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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.