Home / 30,360,296.66-45,492,781.35-20,649,540.98

Finding the Fourth Proportional to 30,360,296.66, 45,492,781.35 and 20,649,540.98

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Solution

The fourth proportional to 30,360,296.66, 45,492,781.35 and 20,649,540.98 is: 30,941,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,296.66 : 45,492,781.35 = 20,649,540.98 : x
  2. Step 2: Convert to fraction form
    30,360,296.66/45,492,781.35 = 20,649,540.98/x
  3. Step 3: Cross multiply
    30,360,296.66x = 45,492,781.35 × 20,649,540.98
  4. Step 4: Simplify right side
    30,360,296.66x = 939,405,052,553,540.88
  5. Step 5: Solve for x
    x = 939,405,052,553,540.88/30,360,296.66
  6. Step 6: Final answer
    x = 30,941,893.07

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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.