Home / 10,419,765.30-15,628,229.10-2,742,767.28

Finding the Fourth Proportional to 10,419,765.30, 15,628,229.10 and 2,742,767.28

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Solution

The fourth proportional to 10,419,765.30, 15,628,229.10 and 2,742,767.28 is: 4,113,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,765.30 : 15,628,229.10 = 2,742,767.28 : x
  2. Step 2: Convert to fraction form
    10,419,765.30/15,628,229.10 = 2,742,767.28/x
  3. Step 3: Cross multiply
    10,419,765.30x = 15,628,229.10 × 2,742,767.28
  4. Step 4: Simplify right side
    10,419,765.30x = 42,864,595,419,823.84
  5. Step 5: Solve for x
    x = 42,864,595,419,823.84/10,419,765.30
  6. Step 6: Final answer
    x = 4,113,777.44

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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.