Home / 20,224,811.30-30,337,216.95-11,700,760.10

Finding the Fourth Proportional to 20,224,811.30, 30,337,216.95 and 11,700,760.10

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Solution

The fourth proportional to 20,224,811.30, 30,337,216.95 and 11,700,760.10 is: 17,551,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,811.30 : 30,337,216.95 = 11,700,760.10 : x
  2. Step 2: Convert to fraction form
    20,224,811.30/30,337,216.95 = 11,700,760.10/x
  3. Step 3: Cross multiply
    20,224,811.30x = 30,337,216.95 × 11,700,760.10
  4. Step 4: Simplify right side
    20,224,811.30x = 354,968,497,633,603.69
  5. Step 5: Solve for x
    x = 354,968,497,633,603.69/20,224,811.30
  6. Step 6: Final answer
    x = 17,551,140.15

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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.