Home / 10,895,619.39-15,037,016.74-8,137,518.42

Finding the Fourth Proportional to 10,895,619.39, 15,037,016.74 and 8,137,518.42

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Solution

The fourth proportional to 10,895,619.39, 15,037,016.74 and 8,137,518.42 is: 11,230,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895,619.39 : 15,037,016.74 = 8,137,518.42 : x
  2. Step 2: Convert to fraction form
    10,895,619.39/15,037,016.74 = 8,137,518.42/x
  3. Step 3: Cross multiply
    10,895,619.39x = 15,037,016.74 × 8,137,518.42
  4. Step 4: Simplify right side
    10,895,619.39x = 122,364,000,703,598.34
  5. Step 5: Solve for x
    x = 122,364,000,703,598.34/10,895,619.39
  6. Step 6: Final answer
    x = 11,230,568.57

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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.