Home / 9,320,985.25-12,863,358.72-5,191,016.37

Finding the Fourth Proportional to 9,320,985.25, 12,863,358.72 and 5,191,016.37

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Solution

The fourth proportional to 9,320,985.25, 12,863,358.72 and 5,191,016.37 is: 7,163,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,985.25 : 12,863,358.72 = 5,191,016.37 : x
  2. Step 2: Convert to fraction form
    9,320,985.25/12,863,358.72 = 5,191,016.37/x
  3. Step 3: Cross multiply
    9,320,985.25x = 12,863,358.72 × 5,191,016.37
  4. Step 4: Simplify right side
    9,320,985.25x = 66,773,905,688,702.25
  5. Step 5: Solve for x
    x = 66,773,905,688,702.25/9,320,985.25
  6. Step 6: Final answer
    x = 7,163,824.84

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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.