Home / 10,475,011.68-15,698,182.32-7,914,121.44

Finding the Fourth Proportional to 10,475,011.68, 15,698,182.32 and 7,914,121.44

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Solution

The fourth proportional to 10,475,011.68, 15,698,182.32 and 7,914,121.44 is: 11,860,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475,011.68 : 15,698,182.32 = 7,914,121.44 : x
  2. Step 2: Convert to fraction form
    10,475,011.68/15,698,182.32 = 7,914,121.44/x
  3. Step 3: Cross multiply
    10,475,011.68x = 15,698,182.32 × 7,914,121.44
  4. Step 4: Simplify right side
    10,475,011.68x = 124,237,321,267,740.95
  5. Step 5: Solve for x
    x = 124,237,321,267,740.95/10,475,011.68
  6. Step 6: Final answer
    x = 11,860,351.57

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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.