Home / 9,539,929.34-13,163,906.40-6,449,177.78

Finding the Fourth Proportional to 9,539,929.34, 13,163,906.40 and 6,449,177.78

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Solution

The fourth proportional to 9,539,929.34, 13,163,906.40 and 6,449,177.78 is: 8,899,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539,929.34 : 13,163,906.40 = 6,449,177.78 : x
  2. Step 2: Convert to fraction form
    9,539,929.34/13,163,906.40 = 6,449,177.78/x
  3. Step 3: Cross multiply
    9,539,929.34x = 13,163,906.40 × 6,449,177.78
  4. Step 4: Simplify right side
    9,539,929.34x = 84,896,372,652,879.80
  5. Step 5: Solve for x
    x = 84,896,372,652,879.80/9,539,929.34
  6. Step 6: Final answer
    x = 8,899,056.76

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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.