Home / 12,590,853.60-18,872,283.60-6,915,151.20

Finding the Fourth Proportional to 12,590,853.60, 18,872,283.60 and 6,915,151.20

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Solution

The fourth proportional to 12,590,853.60, 18,872,283.60 and 6,915,151.20 is: 10,365,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,853.60 : 18,872,283.60 = 6,915,151.20 : x
  2. Step 2: Convert to fraction form
    12,590,853.60/18,872,283.60 = 6,915,151.20/x
  3. Step 3: Cross multiply
    12,590,853.60x = 18,872,283.60 × 6,915,151.20
  4. Step 4: Simplify right side
    12,590,853.60x = 130,504,694,583,280.33
  5. Step 5: Solve for x
    x = 130,504,694,583,280.33/12,590,853.60
  6. Step 6: Final answer
    x = 10,365,039.47

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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.