Home / 31,954,513.20-47,931,769.80-18,349,623.60

Finding the Fourth Proportional to 31,954,513.20, 47,931,769.80 and 18,349,623.60

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Solution

The fourth proportional to 31,954,513.20, 47,931,769.80 and 18,349,623.60 is: 27,524,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,513.20 : 47,931,769.80 = 18,349,623.60 : x
  2. Step 2: Convert to fraction form
    31,954,513.20/47,931,769.80 = 18,349,623.60/x
  3. Step 3: Cross multiply
    31,954,513.20x = 47,931,769.80 × 18,349,623.60
  4. Step 4: Simplify right side
    31,954,513.20x = 879,529,934,311,847.25
  5. Step 5: Solve for x
    x = 879,529,934,311,847.25/31,954,513.20
  6. Step 6: Final answer
    x = 27,524,435.40

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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.