Home / 10,208,191.32-15,311,890.80-2,531,855.34

Finding the Fourth Proportional to 10,208,191.32, 15,311,890.80 and 2,531,855.34

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Solution

The fourth proportional to 10,208,191.32, 15,311,890.80 and 2,531,855.34 is: 3,797,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,191.32 : 15,311,890.80 = 2,531,855.34 : x
  2. Step 2: Convert to fraction form
    10,208,191.32/15,311,890.80 = 2,531,855.34/x
  3. Step 3: Cross multiply
    10,208,191.32x = 15,311,890.80 × 2,531,855.34
  4. Step 4: Simplify right side
    10,208,191.32x = 38,767,492,487,476.88
  5. Step 5: Solve for x
    x = 38,767,492,487,476.88/10,208,191.32
  6. Step 6: Final answer
    x = 3,797,684.75

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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.