Home / 13,016,701.80-17,961,841.26-7,214,989.86

Finding the Fourth Proportional to 13,016,701.80, 17,961,841.26 and 7,214,989.86

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Solution

The fourth proportional to 13,016,701.80, 17,961,841.26 and 7,214,989.86 is: 9,956,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,701.80 : 17,961,841.26 = 7,214,989.86 : x
  2. Step 2: Convert to fraction form
    13,016,701.80/17,961,841.26 = 7,214,989.86/x
  3. Step 3: Cross multiply
    13,016,701.80x = 17,961,841.26 × 7,214,989.86
  4. Step 4: Simplify right side
    13,016,701.80x = 129,594,502,557,829.64
  5. Step 5: Solve for x
    x = 129,594,502,557,829.64/13,016,701.80
  6. Step 6: Final answer
    x = 9,956,016.86

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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.