Home / 9,121,256.78-13,679,069.76-2,644,809.51

Finding the Fourth Proportional to 9,121,256.78, 13,679,069.76 and 2,644,809.51

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Solution

The fourth proportional to 9,121,256.78, 13,679,069.76 and 2,644,809.51 is: 3,966,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,256.78 : 13,679,069.76 = 2,644,809.51 : x
  2. Step 2: Convert to fraction form
    9,121,256.78/13,679,069.76 = 2,644,809.51/x
  3. Step 3: Cross multiply
    9,121,256.78x = 13,679,069.76 × 2,644,809.51
  4. Step 4: Simplify right side
    9,121,256.78x = 36,178,533,789,201.41
  5. Step 5: Solve for x
    x = 36,178,533,789,201.41/9,121,256.78
  6. Step 6: Final answer
    x = 3,966,397.91

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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.