Home / 30,000,879.40-41,399,064.12-17,611,475.80

Finding the Fourth Proportional to 30,000,879.40, 41,399,064.12 and 17,611,475.80

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Solution

The fourth proportional to 30,000,879.40, 41,399,064.12 and 17,611,475.80 is: 24,302,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000,879.40 : 41,399,064.12 = 17,611,475.80 : x
  2. Step 2: Convert to fraction form
    30,000,879.40/41,399,064.12 = 17,611,475.80/x
  3. Step 3: Cross multiply
    30,000,879.40x = 41,399,064.12 × 17,611,475.80
  4. Step 4: Simplify right side
    30,000,879.40x = 729,098,615,892,028.25
  5. Step 5: Solve for x
    x = 729,098,615,892,028.25/30,000,879.40
  6. Step 6: Final answer
    x = 24,302,574.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.