Home / 39,111,646.76-53,969,694.96-21,708,725.48

Finding the Fourth Proportional to 39,111,646.76, 53,969,694.96 and 21,708,725.48

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Solution

The fourth proportional to 39,111,646.76, 53,969,694.96 and 21,708,725.48 is: 29,955,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111,646.76 : 53,969,694.96 = 21,708,725.48 : x
  2. Step 2: Convert to fraction form
    39,111,646.76/53,969,694.96 = 21,708,725.48/x
  3. Step 3: Cross multiply
    39,111,646.76x = 53,969,694.96 × 21,708,725.48
  4. Step 4: Simplify right side
    39,111,646.76x = 1,171,613,292,125,979.50
  5. Step 5: Solve for x
    x = 1,171,613,292,125,979.50/39,111,646.76
  6. Step 6: Final answer
    x = 29,955,611.41

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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.