Home / 22,220,931.20-33,331,396.80-15,496,937.60

Finding the Fourth Proportional to 22,220,931.20, 33,331,396.80 and 15,496,937.60

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Solution

The fourth proportional to 22,220,931.20, 33,331,396.80 and 15,496,937.60 is: 23,245,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220,931.20 : 33,331,396.80 = 15,496,937.60 : x
  2. Step 2: Convert to fraction form
    22,220,931.20/33,331,396.80 = 15,496,937.60/x
  3. Step 3: Cross multiply
    22,220,931.20x = 33,331,396.80 × 15,496,937.60
  4. Step 4: Simplify right side
    22,220,931.20x = 516,534,576,330,439.69
  5. Step 5: Solve for x
    x = 516,534,576,330,439.69/22,220,931.20
  6. Step 6: Final answer
    x = 23,245,406.40

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1.5x scale

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.