Home / 10,611,563.39-15,920,709.64-3,787,990.11

Finding the Fourth Proportional to 10,611,563.39, 15,920,709.64 and 3,787,990.11

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Solution

The fourth proportional to 10,611,563.39, 15,920,709.64 and 3,787,990.11 is: 5,683,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611,563.39 : 15,920,709.64 = 3,787,990.11 : x
  2. Step 2: Convert to fraction form
    10,611,563.39/15,920,709.64 = 3,787,990.11/x
  3. Step 3: Cross multiply
    10,611,563.39x = 15,920,709.64 × 3,787,990.11
  4. Step 4: Simplify right side
    10,611,563.39x = 60,307,490,660,501.66
  5. Step 5: Solve for x
    x = 60,307,490,660,501.66/10,611,563.39
  6. Step 6: Final answer
    x = 5,683,186.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.