Home / 13,032,649.66-17,985,180.72-7,231,971.28

Finding the Fourth Proportional to 13,032,649.66, 17,985,180.72 and 7,231,971.28

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Solution

The fourth proportional to 13,032,649.66, 17,985,180.72 and 7,231,971.28 is: 9,980,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032,649.66 : 17,985,180.72 = 7,231,971.28 : x
  2. Step 2: Convert to fraction form
    13,032,649.66/17,985,180.72 = 7,231,971.28/x
  3. Step 3: Cross multiply
    13,032,649.66x = 17,985,180.72 × 7,231,971.28
  4. Step 4: Simplify right side
    13,032,649.66x = 130,068,310,432,649.72
  5. Step 5: Solve for x
    x = 130,068,310,432,649.72/13,032,649.66
  6. Step 6: Final answer
    x = 9,980,189.28

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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.