Home / 31,626,643.80-47,439,965.70-18,693,600.60

Finding the Fourth Proportional to 31,626,643.80, 47,439,965.70 and 18,693,600.60

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Solution

The fourth proportional to 31,626,643.80, 47,439,965.70 and 18,693,600.60 is: 28,040,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626,643.80 : 47,439,965.70 = 18,693,600.60 : x
  2. Step 2: Convert to fraction form
    31,626,643.80/47,439,965.70 = 18,693,600.60/x
  3. Step 3: Cross multiply
    31,626,643.80x = 47,439,965.70 × 18,693,600.60
  4. Step 4: Simplify right side
    31,626,643.80x = 886,823,771,273,499.50
  5. Step 5: Solve for x
    x = 886,823,771,273,499.50/31,626,643.80
  6. Step 6: Final answer
    x = 28,040,400.90

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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.