Home / 18,372,519.60-25,353,877.08-10,112,405.28

Finding the Fourth Proportional to 18,372,519.60, 25,353,877.08 and 10,112,405.28

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Solution

The fourth proportional to 18,372,519.60, 25,353,877.08 and 10,112,405.28 is: 13,955,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,519.60 : 25,353,877.08 = 10,112,405.28 : x
  2. Step 2: Convert to fraction form
    18,372,519.60/25,353,877.08 = 10,112,405.28/x
  3. Step 3: Cross multiply
    18,372,519.60x = 25,353,877.08 × 10,112,405.28
  4. Step 4: Simplify right side
    18,372,519.60x = 256,388,680,452,262.94
  5. Step 5: Solve for x
    x = 256,388,680,452,262.94/18,372,519.60
  6. Step 6: Final answer
    x = 13,955,009.22

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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.