Home / 30,290,410.20-45,435,615.30-26,942,331.90

Finding the Fourth Proportional to 30,290,410.20, 45,435,615.30 and 26,942,331.90

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Solution

The fourth proportional to 30,290,410.20, 45,435,615.30 and 26,942,331.90 is: 40,413,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290,410.20 : 45,435,615.30 = 26,942,331.90 : x
  2. Step 2: Convert to fraction form
    30,290,410.20/45,435,615.30 = 26,942,331.90/x
  3. Step 3: Cross multiply
    30,290,410.20x = 45,435,615.30 × 26,942,331.90
  4. Step 4: Simplify right side
    30,290,410.20x = 1,224,141,427,493,318
  5. Step 5: Solve for x
    x = 1,224,141,427,493,318/30,290,410.20
  6. Step 6: Final answer
    x = 40,413,497.85

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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.