Home / 15,086,623.61-20,818,925.22-8,560,112.60

Finding the Fourth Proportional to 15,086,623.61, 20,818,925.22 and 8,560,112.60

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Solution

The fourth proportional to 15,086,623.61, 20,818,925.22 and 8,560,112.60 is: 11,812,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086,623.61 : 20,818,925.22 = 8,560,112.60 : x
  2. Step 2: Convert to fraction form
    15,086,623.61/20,818,925.22 = 8,560,112.60/x
  3. Step 3: Cross multiply
    15,086,623.61x = 20,818,925.22 × 8,560,112.60
  4. Step 4: Simplify right side
    15,086,623.61x = 178,212,344,130,176.88
  5. Step 5: Solve for x
    x = 178,212,344,130,176.88/15,086,623.61
  6. Step 6: Final answer
    x = 11,812,606.23

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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.