Home / 28,993,278-43,490,179.44-8,798,520

Finding the Fourth Proportional to 28,993,278, 43,490,179.44 and 8,798,520

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Solution

The fourth proportional to 28,993,278, 43,490,179.44 and 8,798,520 is: 13,197,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993,278 : 43,490,179.44 = 8,798,520 : x
  2. Step 2: Convert to fraction form
    28,993,278/43,490,179.44 = 8,798,520/x
  3. Step 3: Cross multiply
    28,993,278x = 43,490,179.44 × 8,798,520
  4. Step 4: Simplify right side
    28,993,278x = 382,649,213,606,428.75
  5. Step 5: Solve for x
    x = 382,649,213,606,428.75/28,993,278
  6. Step 6: Final answer
    x = 13,197,859.64

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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.