Home / 12,920,001.39-19,380,075.39-3,334,724.64

Finding the Fourth Proportional to 12,920,001.39, 19,380,075.39 and 3,334,724.64

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Solution

The fourth proportional to 12,920,001.39, 19,380,075.39 and 3,334,724.64 is: 5,002,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,920,001.39 : 19,380,075.39 = 3,334,724.64 : x
  2. Step 2: Convert to fraction form
    12,920,001.39/19,380,075.39 = 3,334,724.64/x
  3. Step 3: Cross multiply
    12,920,001.39x = 19,380,075.39 × 3,334,724.64
  4. Step 4: Simplify right side
    12,920,001.39x = 64,627,214,928,090.62
  5. Step 5: Solve for x
    x = 64,627,214,928,090.62/12,920,001.39
  6. Step 6: Final answer
    x = 5,002,105.88

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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.