Home / 12,078,740.28-18,118,110.42-10,880,614.20

Finding the Fourth Proportional to 12,078,740.28, 18,118,110.42 and 10,880,614.20

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Solution

The fourth proportional to 12,078,740.28, 18,118,110.42 and 10,880,614.20 is: 16,320,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,740.28 : 18,118,110.42 = 10,880,614.20 : x
  2. Step 2: Convert to fraction form
    12,078,740.28/18,118,110.42 = 10,880,614.20/x
  3. Step 3: Cross multiply
    12,078,740.28x = 18,118,110.42 × 10,880,614.20
  4. Step 4: Simplify right side
    12,078,740.28x = 197,136,169,513,019.97
  5. Step 5: Solve for x
    x = 197,136,169,513,019.97/12,078,740.28
  6. Step 6: Final answer
    x = 16,320,921.30

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1.5x scale

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.