Home / 7,918,933.45-10,928,128.15-4,297,261.45

Finding the Fourth Proportional to 7,918,933.45, 10,928,128.15 and 4,297,261.45

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Solution

The fourth proportional to 7,918,933.45, 10,928,128.15 and 4,297,261.45 is: 5,930,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,933.45 : 10,928,128.15 = 4,297,261.45 : x
  2. Step 2: Convert to fraction form
    7,918,933.45/10,928,128.15 = 4,297,261.45/x
  3. Step 3: Cross multiply
    7,918,933.45x = 10,928,128.15 × 4,297,261.45
  4. Step 4: Simplify right side
    7,918,933.45x = 46,961,023,819,654.82
  5. Step 5: Solve for x
    x = 46,961,023,819,654.82/7,918,933.45
  6. Step 6: Final answer
    x = 5,930,220.80

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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.