Home / 12,172,673.28-16,798,083.84-6,740,048.64

Finding the Fourth Proportional to 12,172,673.28, 16,798,083.84 and 6,740,048.64

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Solution

The fourth proportional to 12,172,673.28, 16,798,083.84 and 6,740,048.64 is: 9,301,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,673.28 : 16,798,083.84 = 6,740,048.64 : x
  2. Step 2: Convert to fraction form
    12,172,673.28/16,798,083.84 = 6,740,048.64/x
  3. Step 3: Cross multiply
    12,172,673.28x = 16,798,083.84 × 6,740,048.64
  4. Step 4: Simplify right side
    12,172,673.28x = 113,219,902,140,397.97
  5. Step 5: Solve for x
    x = 113,219,902,140,397.97/12,172,673.28
  6. Step 6: Final answer
    x = 9,301,153.46

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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.