Home / 12,874,200.40-19,313,633.40-6,468,331.60

Finding the Fourth Proportional to 12,874,200.40, 19,313,633.40 and 6,468,331.60

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Solution

The fourth proportional to 12,874,200.40, 19,313,633.40 and 6,468,331.60 is: 9,703,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,200.40 : 19,313,633.40 = 6,468,331.60 : x
  2. Step 2: Convert to fraction form
    12,874,200.40/19,313,633.40 = 6,468,331.60/x
  3. Step 3: Cross multiply
    12,874,200.40x = 19,313,633.40 × 6,468,331.60
  4. Step 4: Simplify right side
    12,874,200.40x = 124,926,985,232,035.42
  5. Step 5: Solve for x
    x = 124,926,985,232,035.42/12,874,200.40
  6. Step 6: Final answer
    x = 9,703,669.46

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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.