Home / 28,849,761.64-39,815,341.86-15,972,705.64

Finding the Fourth Proportional to 28,849,761.64, 39,815,341.86 and 15,972,705.64

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Solution

The fourth proportional to 28,849,761.64, 39,815,341.86 and 15,972,705.64 is: 22,043,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849,761.64 : 39,815,341.86 = 15,972,705.64 : x
  2. Step 2: Convert to fraction form
    28,849,761.64/39,815,341.86 = 15,972,705.64/x
  3. Step 3: Cross multiply
    28,849,761.64x = 39,815,341.86 × 15,972,705.64
  4. Step 4: Simplify right side
    28,849,761.64x = 635,958,735,485,750.12
  5. Step 5: Solve for x
    x = 635,958,735,485,750.12/28,849,761.64
  6. Step 6: Final answer
    x = 22,043,812.47

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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.