Home / 18,125,320.11-25,015,071.65-10,179,168.41

Finding the Fourth Proportional to 18,125,320.11, 25,015,071.65 and 10,179,168.41

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Solution

The fourth proportional to 18,125,320.11, 25,015,071.65 and 10,179,168.41 is: 14,048,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,320.11 : 25,015,071.65 = 10,179,168.41 : x
  2. Step 2: Convert to fraction form
    18,125,320.11/25,015,071.65 = 10,179,168.41/x
  3. Step 3: Cross multiply
    18,125,320.11x = 25,015,071.65 × 10,179,168.41
  4. Step 4: Simplify right side
    18,125,320.11x = 254,632,627,113,566.56
  5. Step 5: Solve for x
    x = 254,632,627,113,566.56/18,125,320.11
  6. Step 6: Final answer
    x = 14,048,448.56

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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.