Home / 28,080,408-42,120,612.16-6,805,272

Finding the Fourth Proportional to 28,080,408, 42,120,612.16 and 6,805,272

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Solution

The fourth proportional to 28,080,408, 42,120,612.16 and 6,805,272 is: 10,207,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,408 : 42,120,612.16 = 6,805,272 : x
  2. Step 2: Convert to fraction form
    28,080,408/42,120,612.16 = 6,805,272/x
  3. Step 3: Cross multiply
    28,080,408x = 42,120,612.16 × 6,805,272
  4. Step 4: Simplify right side
    28,080,408x = 286,642,222,555,307.50
  5. Step 5: Solve for x
    x = 286,642,222,555,307.50/28,080,408
  6. Step 6: Final answer
    x = 10,207,908.04

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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.