Home / 15,909,694.08-21,955,460.16-8,666,348.16

Finding the Fourth Proportional to 15,909,694.08, 21,955,460.16 and 8,666,348.16

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Solution

The fourth proportional to 15,909,694.08, 21,955,460.16 and 8,666,348.16 is: 11,959,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909,694.08 : 21,955,460.16 = 8,666,348.16 : x
  2. Step 2: Convert to fraction form
    15,909,694.08/21,955,460.16 = 8,666,348.16/x
  3. Step 3: Cross multiply
    15,909,694.08x = 21,955,460.16 × 8,666,348.16
  4. Step 4: Simplify right side
    15,909,694.08x = 190,273,661,759,569.31
  5. Step 5: Solve for x
    x = 190,273,661,759,569.31/15,909,694.08
  6. Step 6: Final answer
    x = 11,959,605.31

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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.