Home / 10,172,781.12-15,256,128-3,348,094.56

Finding the Fourth Proportional to 10,172,781.12, 15,256,128 and 3,348,094.56

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Solution

The fourth proportional to 10,172,781.12, 15,256,128 and 3,348,094.56 is: 5,021,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172,781.12 : 15,256,128 = 3,348,094.56 : x
  2. Step 2: Convert to fraction form
    10,172,781.12/15,256,128 = 3,348,094.56/x
  3. Step 3: Cross multiply
    10,172,781.12x = 15,256,128 × 3,348,094.56
  4. Step 4: Simplify right side
    10,172,781.12x = 51,078,959,163,463.68
  5. Step 5: Solve for x
    x = 51,078,959,163,463.68/10,172,781.12
  6. Step 6: Final answer
    x = 5,021,140.10

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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.