Home / 21,345,287,827.26-29,456,499,993.75-11,830,453,858.02

Finding the Fourth Proportional to 21,345,287,827.26, 29,456,499,993.75 and 11,830,453,858.02

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Solution

The fourth proportional to 21,345,287,827.26, 29,456,499,993.75 and 11,830,453,858.02 is: 16,326,027,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,287,827.26 : 29,456,499,993.75 = 11,830,453,858.02 : x
  2. Step 2: Convert to fraction form
    21,345,287,827.26/29,456,499,993.75 = 11,830,453,858.02/x
  3. Step 3: Cross multiply
    21,345,287,827.26x = 29,456,499,993.75 × 11,830,453,858.02
  4. Step 4: Simplify right side
    21,345,287,827.26x = 348,483,763,994,825,785,344
  5. Step 5: Solve for x
    x = 348,483,763,994,825,785,344/21,345,287,827.26
  6. Step 6: Final answer
    x = 16,326,027,871.58

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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.