Home / 28,080,307.89-42,120,461.82-6,805,171.89

Finding the Fourth Proportional to 28,080,307.89, 42,120,461.82 and 6,805,171.89

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Solution

The fourth proportional to 28,080,307.89, 42,120,461.82 and 6,805,171.89 is: 10,207,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,307.89 : 42,120,461.82 = 6,805,171.89 : x
  2. Step 2: Convert to fraction form
    28,080,307.89/42,120,461.82 = 6,805,171.89/x
  3. Step 3: Cross multiply
    28,080,307.89x = 42,120,461.82 × 6,805,171.89
  4. Step 4: Simplify right side
    28,080,307.89x = 286,636,982,771,282.25
  5. Step 5: Solve for x
    x = 286,636,982,771,282.25/28,080,307.89
  6. Step 6: Final answer
    x = 10,207,757.83

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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.