Home / 21,649,160.47-29,875,603.61-11,725,796.28

Finding the Fourth Proportional to 21,649,160.47, 29,875,603.61 and 11,725,796.28

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Solution

The fourth proportional to 21,649,160.47, 29,875,603.61 and 11,725,796.28 is: 16,181,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,160.47 : 29,875,603.61 = 11,725,796.28 : x
  2. Step 2: Convert to fraction form
    21,649,160.47/29,875,603.61 = 11,725,796.28/x
  3. Step 3: Cross multiply
    21,649,160.47x = 29,875,603.61 × 11,725,796.28
  4. Step 4: Simplify right side
    21,649,160.47x = 350,315,241,536,000.06
  5. Step 5: Solve for x
    x = 350,315,241,536,000.06/21,649,160.47
  6. Step 6: Final answer
    x = 16,181,470.04

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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.