Home / 18,372,917.36-25,354,424.75-10,112,803.04

Finding the Fourth Proportional to 18,372,917.36, 25,354,424.75 and 10,112,803.04

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Solution

The fourth proportional to 18,372,917.36, 25,354,424.75 and 10,112,803.04 is: 13,955,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,917.36 : 25,354,424.75 = 10,112,803.04 : x
  2. Step 2: Convert to fraction form
    18,372,917.36/25,354,424.75 = 10,112,803.04/x
  3. Step 3: Cross multiply
    18,372,917.36x = 25,354,424.75 × 10,112,803.04
  4. Step 4: Simplify right side
    18,372,917.36x = 256,404,303,689,251.22
  5. Step 5: Solve for x
    x = 256,404,303,689,251.22/18,372,917.36
  6. Step 6: Final answer
    x = 13,955,557.45

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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.