Home / 9,874,387.47-13,620,696.21-6,521,574.30

Finding the Fourth Proportional to 9,874,387.47, 13,620,696.21 and 6,521,574.30

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Solution

The fourth proportional to 9,874,387.47, 13,620,696.21 and 6,521,574.30 is: 8,995,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874,387.47 : 13,620,696.21 = 6,521,574.30 : x
  2. Step 2: Convert to fraction form
    9,874,387.47/13,620,696.21 = 6,521,574.30/x
  3. Step 3: Cross multiply
    9,874,387.47x = 13,620,696.21 × 6,521,574.30
  4. Step 4: Simplify right side
    9,874,387.47x = 88,828,382,351,243.41
  5. Step 5: Solve for x
    x = 88,828,382,351,243.41/9,874,387.47
  6. Step 6: Final answer
    x = 8,995,837.22

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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.