Home / 42,455,496.54-63,682,894.86-12,163,388.70

Finding the Fourth Proportional to 42,455,496.54, 63,682,894.86 and 12,163,388.70

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Solution

The fourth proportional to 42,455,496.54, 63,682,894.86 and 12,163,388.70 is: 18,244,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455,496.54 : 63,682,894.86 = 12,163,388.70 : x
  2. Step 2: Convert to fraction form
    42,455,496.54/63,682,894.86 = 12,163,388.70/x
  3. Step 3: Cross multiply
    42,455,496.54x = 63,682,894.86 × 12,163,388.70
  4. Step 4: Simplify right side
    42,455,496.54x = 774,599,803,723,412
  5. Step 5: Solve for x
    x = 774,599,803,723,412/42,455,496.54
  6. Step 6: Final answer
    x = 18,244,982.79

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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.