Home / 28,662,347.34-42,951,005.33-21,052,112.22

Finding the Fourth Proportional to 28,662,347.34, 42,951,005.33 and 21,052,112.22

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Solution

The fourth proportional to 28,662,347.34, 42,951,005.33 and 21,052,112.22 is: 31,546,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,347.34 : 42,951,005.33 = 21,052,112.22 : x
  2. Step 2: Convert to fraction form
    28,662,347.34/42,951,005.33 = 21,052,112.22/x
  3. Step 3: Cross multiply
    28,662,347.34x = 42,951,005.33 × 21,052,112.22
  4. Step 4: Simplify right side
    28,662,347.34x = 904,209,384,063,717.62
  5. Step 5: Solve for x
    x = 904,209,384,063,717.62/28,662,347.34
  6. Step 6: Final answer
    x = 31,546,941.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.