Home / 28,080,309.94-42,120,464.92-6,805,173.94

Finding the Fourth Proportional to 28,080,309.94, 42,120,464.92 and 6,805,173.94

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Solution

The fourth proportional to 28,080,309.94, 42,120,464.92 and 6,805,173.94 is: 10,207,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,309.94 : 42,120,464.92 = 6,805,173.94 : x
  2. Step 2: Convert to fraction form
    28,080,309.94/42,120,464.92 = 6,805,173.94/x
  3. Step 3: Cross multiply
    28,080,309.94x = 42,120,464.92 × 6,805,173.94
  4. Step 4: Simplify right side
    28,080,309.94x = 286,637,090,091,954.06
  5. Step 5: Solve for x
    x = 286,637,090,091,954.06/28,080,309.94
  6. Step 6: Final answer
    x = 10,207,760.91

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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.