Home / 23,149,262.78-31,947,418.65-12,835,985.88

Finding the Fourth Proportional to 23,149,262.78, 31,947,418.65 and 12,835,985.88

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Solution

The fourth proportional to 23,149,262.78, 31,947,418.65 and 12,835,985.88 is: 17,714,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149,262.78 : 31,947,418.65 = 12,835,985.88 : x
  2. Step 2: Convert to fraction form
    23,149,262.78/31,947,418.65 = 12,835,985.88/x
  3. Step 3: Cross multiply
    23,149,262.78x = 31,947,418.65 × 12,835,985.88
  4. Step 4: Simplify right side
    23,149,262.78x = 410,076,614,693,848.69
  5. Step 5: Solve for x
    x = 410,076,614,693,848.69/23,149,262.78
  6. Step 6: Final answer
    x = 17,714,456.77

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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.