Home / 10,328,148.87-14,252,646.78-5,681,662.44

Finding the Fourth Proportional to 10,328,148.87, 14,252,646.78 and 5,681,662.44

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Solution

The fourth proportional to 10,328,148.87, 14,252,646.78 and 5,681,662.44 is: 7,840,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,148.87 : 14,252,646.78 = 5,681,662.44 : x
  2. Step 2: Convert to fraction form
    10,328,148.87/14,252,646.78 = 5,681,662.44/x
  3. Step 3: Cross multiply
    10,328,148.87x = 14,252,646.78 × 5,681,662.44
  4. Step 4: Simplify right side
    10,328,148.87x = 80,978,727,880,512.94
  5. Step 5: Solve for x
    x = 80,978,727,880,512.94/10,328,148.87
  6. Step 6: Final answer
    x = 7,840,584.88

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1.5x scale

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.