Home / 28,019,619.80-42,029,429.70-15,265,035.80

Finding the Fourth Proportional to 28,019,619.80, 42,029,429.70 and 15,265,035.80

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Solution

The fourth proportional to 28,019,619.80, 42,029,429.70 and 15,265,035.80 is: 22,897,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019,619.80 : 42,029,429.70 = 15,265,035.80 : x
  2. Step 2: Convert to fraction form
    28,019,619.80/42,029,429.70 = 15,265,035.80/x
  3. Step 3: Cross multiply
    28,019,619.80x = 42,029,429.70 × 15,265,035.80
  4. Step 4: Simplify right side
    28,019,619.80x = 641,580,749,024,083.38
  5. Step 5: Solve for x
    x = 641,580,749,024,083.38/28,019,619.80
  6. Step 6: Final answer
    x = 22,897,553.70

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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.