Home / 6,988,541.76-9,644,256.36-3,891,108.24

Finding the Fourth Proportional to 6,988,541.76, 9,644,256.36 and 3,891,108.24

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Solution

The fourth proportional to 6,988,541.76, 9,644,256.36 and 3,891,108.24 is: 5,369,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,541.76 : 9,644,256.36 = 3,891,108.24 : x
  2. Step 2: Convert to fraction form
    6,988,541.76/9,644,256.36 = 3,891,108.24/x
  3. Step 3: Cross multiply
    6,988,541.76x = 9,644,256.36 × 3,891,108.24
  4. Step 4: Simplify right side
    6,988,541.76x = 37,526,845,391,068.41
  5. Step 5: Solve for x
    x = 37,526,845,391,068.41/6,988,541.76
  6. Step 6: Final answer
    x = 5,369,767.64

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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.