Home / 21,308,759.64-29,406,201.66-11,650,967.64

Finding the Fourth Proportional to 21,308,759.64, 29,406,201.66 and 11,650,967.64

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Solution

The fourth proportional to 21,308,759.64, 29,406,201.66 and 11,650,967.64 is: 16,078,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,759.64 : 29,406,201.66 = 11,650,967.64 : x
  2. Step 2: Convert to fraction form
    21,308,759.64/29,406,201.66 = 11,650,967.64/x
  3. Step 3: Cross multiply
    21,308,759.64x = 29,406,201.66 × 11,650,967.64
  4. Step 4: Simplify right side
    21,308,759.64x = 342,610,703,955,974.31
  5. Step 5: Solve for x
    x = 342,610,703,955,974.31/21,308,759.64
  6. Step 6: Final answer
    x = 16,078,397.32

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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.