Home / 28,740,091.05-43,109,730.48-13,378,788.93

Finding the Fourth Proportional to 28,740,091.05, 43,109,730.48 and 13,378,788.93

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Solution

The fourth proportional to 28,740,091.05, 43,109,730.48 and 13,378,788.93 is: 20,067,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,091.05 : 43,109,730.48 = 13,378,788.93 : x
  2. Step 2: Convert to fraction form
    28,740,091.05/43,109,730.48 = 13,378,788.93/x
  3. Step 3: Cross multiply
    28,740,091.05x = 43,109,730.48 × 13,378,788.93
  4. Step 4: Simplify right side
    28,740,091.05x = 576,755,984,921,107.50
  5. Step 5: Solve for x
    x = 576,755,984,921,107.50/28,740,091.05
  6. Step 6: Final answer
    x = 20,067,994.35

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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.