Home / 30,387,649.02-45,568,005.25-21,832,114.74

Finding the Fourth Proportional to 30,387,649.02, 45,568,005.25 and 21,832,114.74

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Solution

The fourth proportional to 30,387,649.02, 45,568,005.25 and 21,832,114.74 is: 32,738,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387,649.02 : 45,568,005.25 = 21,832,114.74 : x
  2. Step 2: Convert to fraction form
    30,387,649.02/45,568,005.25 = 21,832,114.74/x
  3. Step 3: Cross multiply
    30,387,649.02x = 45,568,005.25 × 21,832,114.74
  4. Step 4: Simplify right side
    30,387,649.02x = 994,845,919,090,922.25
  5. Step 5: Solve for x
    x = 994,845,919,090,922.25/30,387,649.02
  6. Step 6: Final answer
    x = 32,738,495.78

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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.