Home / 8,320,474.27-12,458,283.72-5,434,695.01

Finding the Fourth Proportional to 8,320,474.27, 12,458,283.72 and 5,434,695.01

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Solution

The fourth proportional to 8,320,474.27, 12,458,283.72 and 5,434,695.01 is: 8,137,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,474.27 : 12,458,283.72 = 5,434,695.01 : x
  2. Step 2: Convert to fraction form
    8,320,474.27/12,458,283.72 = 5,434,695.01/x
  3. Step 3: Cross multiply
    8,320,474.27x = 12,458,283.72 × 5,434,695.01
  4. Step 4: Simplify right side
    8,320,474.27x = 67,706,972,366,248.23
  5. Step 5: Solve for x
    x = 67,706,972,366,248.23/8,320,474.27
  6. Step 6: Final answer
    x = 8,137,393.39

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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.