Home / 38,852,272.47-53,614,727.77-21,448,243.11

Finding the Fourth Proportional to 38,852,272.47, 53,614,727.77 and 21,448,243.11

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Solution

The fourth proportional to 38,852,272.47, 53,614,727.77 and 21,448,243.11 is: 29,597,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,272.47 : 53,614,727.77 = 21,448,243.11 : x
  2. Step 2: Convert to fraction form
    38,852,272.47/53,614,727.77 = 21,448,243.11/x
  3. Step 3: Cross multiply
    38,852,272.47x = 53,614,727.77 × 21,448,243.11
  4. Step 4: Simplify right side
    38,852,272.47x = 1,149,941,715,487,428.25
  5. Step 5: Solve for x
    x = 1,149,941,715,487,428.25/38,852,272.47
  6. Step 6: Final answer
    x = 29,597,798.08

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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.