Home / 12,880,866.40-19,323,632.40-6,474,997.60

Finding the Fourth Proportional to 12,880,866.40, 19,323,632.40 and 6,474,997.60

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Solution

The fourth proportional to 12,880,866.40, 19,323,632.40 and 6,474,997.60 is: 9,713,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,866.40 : 19,323,632.40 = 6,474,997.60 : x
  2. Step 2: Convert to fraction form
    12,880,866.40/19,323,632.40 = 6,474,997.60/x
  3. Step 3: Cross multiply
    12,880,866.40x = 19,323,632.40 × 6,474,997.60
  4. Step 4: Simplify right side
    12,880,866.40x = 125,120,473,413,282.22
  5. Step 5: Solve for x
    x = 125,120,473,413,282.22/12,880,866.40
  6. Step 6: Final answer
    x = 9,713,669.06

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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.