Home / 9,812,940.12-13,541,858.10-5,461,932.78

Finding the Fourth Proportional to 9,812,940.12, 13,541,858.10 and 5,461,932.78

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Solution

The fourth proportional to 9,812,940.12, 13,541,858.10 and 5,461,932.78 is: 7,537,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812,940.12 : 13,541,858.10 = 5,461,932.78 : x
  2. Step 2: Convert to fraction form
    9,812,940.12/13,541,858.10 = 5,461,932.78/x
  3. Step 3: Cross multiply
    9,812,940.12x = 13,541,858.10 × 5,461,932.78
  4. Step 4: Simplify right side
    9,812,940.12x = 73,964,718,658,498.52
  5. Step 5: Solve for x
    x = 73,964,718,658,498.52/9,812,940.12
  6. Step 6: Final answer
    x = 7,537,467.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.