Home / 28,955,603.20-43,449,151.20-11,917,998.40

Finding the Fourth Proportional to 28,955,603.20, 43,449,151.20 and 11,917,998.40

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Solution

The fourth proportional to 28,955,603.20, 43,449,151.20 and 11,917,998.40 is: 17,883,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,603.20 : 43,449,151.20 = 11,917,998.40 : x
  2. Step 2: Convert to fraction form
    28,955,603.20/43,449,151.20 = 11,917,998.40/x
  3. Step 3: Cross multiply
    28,955,603.20x = 43,449,151.20 × 11,917,998.40
  4. Step 4: Simplify right side
    28,955,603.20x = 517,826,914,482,958.12
  5. Step 5: Solve for x
    x = 517,826,914,482,958.12/28,955,603.20
  6. Step 6: Final answer
    x = 17,883,478.75

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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.