Home / 28,086,381.32-38,760,403.22-15,696,474.38

Finding the Fourth Proportional to 28,086,381.32, 38,760,403.22 and 15,696,474.38

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Solution

The fourth proportional to 28,086,381.32, 38,760,403.22 and 15,696,474.38 is: 21,661,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086,381.32 : 38,760,403.22 = 15,696,474.38 : x
  2. Step 2: Convert to fraction form
    28,086,381.32/38,760,403.22 = 15,696,474.38/x
  3. Step 3: Cross multiply
    28,086,381.32x = 38,760,403.22 × 15,696,474.38
  4. Step 4: Simplify right side
    28,086,381.32x = 608,401,676,101,199.50
  5. Step 5: Solve for x
    x = 608,401,676,101,199.50/28,086,381.32
  6. Step 6: Final answer
    x = 21,661,803.60

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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.