Home / 35,787,876.54-49,388,667.84-20,319,400.50

Finding the Fourth Proportional to 35,787,876.54, 49,388,667.84 and 20,319,400.50

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Solution

The fourth proportional to 35,787,876.54, 49,388,667.84 and 20,319,400.50 is: 28,041,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787,876.54 : 49,388,667.84 = 20,319,400.50 : x
  2. Step 2: Convert to fraction form
    35,787,876.54/49,388,667.84 = 20,319,400.50/x
  3. Step 3: Cross multiply
    35,787,876.54x = 49,388,667.84 × 20,319,400.50
  4. Step 4: Simplify right side
    35,787,876.54x = 1,003,548,122,002,430
  5. Step 5: Solve for x
    x = 1,003,548,122,002,430/35,787,876.54
  6. Step 6: Final answer
    x = 28,041,566.56

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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.