Home / 30,416,887.88-45,627,431.34-8,851,668.20

Finding the Fourth Proportional to 30,416,887.88, 45,627,431.34 and 8,851,668.20

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Solution

The fourth proportional to 30,416,887.88, 45,627,431.34 and 8,851,668.20 is: 13,278,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416,887.88 : 45,627,431.34 = 8,851,668.20 : x
  2. Step 2: Convert to fraction form
    30,416,887.88/45,627,431.34 = 8,851,668.20/x
  3. Step 3: Cross multiply
    30,416,887.88x = 45,627,431.34 × 8,851,668.20
  4. Step 4: Simplify right side
    30,416,887.88x = 403,878,883,039,961.38
  5. Step 5: Solve for x
    x = 403,878,883,039,961.38/30,416,887.88
  6. Step 6: Final answer
    x = 13,278,113.28

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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.