Home / 28,080,307.13-42,120,460.69-6,805,171.13

Finding the Fourth Proportional to 28,080,307.13, 42,120,460.69 and 6,805,171.13

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Solution

The fourth proportional to 28,080,307.13, 42,120,460.69 and 6,805,171.13 is: 10,207,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,307.13 : 42,120,460.69 = 6,805,171.13 : x
  2. Step 2: Convert to fraction form
    28,080,307.13/42,120,460.69 = 6,805,171.13/x
  3. Step 3: Cross multiply
    28,080,307.13x = 42,120,460.69 × 6,805,171.13
  4. Step 4: Simplify right side
    28,080,307.13x = 286,636,942,842,272.62
  5. Step 5: Solve for x
    x = 286,636,942,842,272.62/28,080,307.13
  6. Step 6: Final answer
    x = 10,207,756.69

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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.