Home / 7,780,080.48-11,678,338.38-4,371,280.13

Finding the Fourth Proportional to 7,780,080.48, 11,678,338.38 and 4,371,280.13

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Solution

The fourth proportional to 7,780,080.48, 11,678,338.38 and 4,371,280.13 is: 6,561,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,080.48 : 11,678,338.38 = 4,371,280.13 : x
  2. Step 2: Convert to fraction form
    7,780,080.48/11,678,338.38 = 4,371,280.13/x
  3. Step 3: Cross multiply
    7,780,080.48x = 11,678,338.38 × 4,371,280.13
  4. Step 4: Simplify right side
    7,780,080.48x = 51,049,288,431,662.30
  5. Step 5: Solve for x
    x = 51,049,288,431,662.30/7,780,080.48
  6. Step 6: Final answer
    x = 6,561,537.32

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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.