Home / 12,872,914.44-17,762,649.14-7,439,357.96

Finding the Fourth Proportional to 12,872,914.44, 17,762,649.14 and 7,439,357.96

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Solution

The fourth proportional to 12,872,914.44, 17,762,649.14 and 7,439,357.96 is: 10,265,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,914.44 : 17,762,649.14 = 7,439,357.96 : x
  2. Step 2: Convert to fraction form
    12,872,914.44/17,762,649.14 = 7,439,357.96/x
  3. Step 3: Cross multiply
    12,872,914.44x = 17,762,649.14 × 7,439,357.96
  4. Step 4: Simplify right side
    12,872,914.44x = 132,142,705,270,346.16
  5. Step 5: Solve for x
    x = 132,142,705,270,346.16/12,872,914.44
  6. Step 6: Final answer
    x = 10,265,173.90

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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.