Home / 10,175,928-15,270,890.40-4,192,296

Finding the Fourth Proportional to 10,175,928, 15,270,890.40 and 4,192,296

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Solution

The fourth proportional to 10,175,928, 15,270,890.40 and 4,192,296 is: 6,291,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175,928 : 15,270,890.40 = 4,192,296 : x
  2. Step 2: Convert to fraction form
    10,175,928/15,270,890.40 = 4,192,296/x
  3. Step 3: Cross multiply
    10,175,928x = 15,270,890.40 × 4,192,296
  4. Step 4: Simplify right side
    10,175,928x = 64,020,092,740,358.40
  5. Step 5: Solve for x
    x = 64,020,092,740,358.40/10,175,928
  6. Step 6: Final answer
    x = 6,291,327.21

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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.