Home / 7,128,962.37-10,694,774.79-3,238,692.68

Finding the Fourth Proportional to 7,128,962.37, 10,694,774.79 and 3,238,692.68

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Solution

The fourth proportional to 7,128,962.37, 10,694,774.79 and 3,238,692.68 is: 4,858,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,962.37 : 10,694,774.79 = 3,238,692.68 : x
  2. Step 2: Convert to fraction form
    7,128,962.37/10,694,774.79 = 3,238,692.68/x
  3. Step 3: Cross multiply
    7,128,962.37x = 10,694,774.79 × 3,238,692.68
  4. Step 4: Simplify right side
    7,128,962.37x = 34,637,088,773,147.66
  5. Step 5: Solve for x
    x = 34,637,088,773,147.66/7,128,962.37
  6. Step 6: Final answer
    x = 4,858,643.79

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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.