Home / 10,405,612.83-15,609,907.80-3,217,701.03

Finding the Fourth Proportional to 10,405,612.83, 15,609,907.80 and 3,217,701.03

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Solution

The fourth proportional to 10,405,612.83, 15,609,907.80 and 3,217,701.03 is: 4,827,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,612.83 : 15,609,907.80 = 3,217,701.03 : x
  2. Step 2: Convert to fraction form
    10,405,612.83/15,609,907.80 = 3,217,701.03/x
  3. Step 3: Cross multiply
    10,405,612.83x = 15,609,907.80 × 3,217,701.03
  4. Step 4: Simplify right side
    10,405,612.83x = 50,228,016,406,265.03
  5. Step 5: Solve for x
    x = 50,228,016,406,265.03/10,405,612.83
  6. Step 6: Final answer
    x = 4,827,011.85

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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.