Home / 31,121,851.72-46,685,019.58-11,952,608.80

Finding the Fourth Proportional to 31,121,851.72, 46,685,019.58 and 11,952,608.80

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Solution

The fourth proportional to 31,121,851.72, 46,685,019.58 and 11,952,608.80 is: 17,929,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,851.72 : 46,685,019.58 = 11,952,608.80 : x
  2. Step 2: Convert to fraction form
    31,121,851.72/46,685,019.58 = 11,952,608.80/x
  3. Step 3: Cross multiply
    31,121,851.72x = 46,685,019.58 × 11,952,608.80
  4. Step 4: Simplify right side
    31,121,851.72x = 558,007,775,860,080.31
  5. Step 5: Solve for x
    x = 558,007,775,860,080.31/31,121,851.72
  6. Step 6: Final answer
    x = 17,929,774.26

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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.