Home / 8,219,584.80-12,352,996.80-7,180,322.40

Finding the Fourth Proportional to 8,219,584.80, 12,352,996.80 and 7,180,322.40

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Solution

The fourth proportional to 8,219,584.80, 12,352,996.80 and 7,180,322.40 is: 10,791,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,584.80 : 12,352,996.80 = 7,180,322.40 : x
  2. Step 2: Convert to fraction form
    8,219,584.80/12,352,996.80 = 7,180,322.40/x
  3. Step 3: Cross multiply
    8,219,584.80x = 12,352,996.80 × 7,180,322.40
  4. Step 4: Simplify right side
    8,219,584.80x = 88,698,499,630,168.33
  5. Step 5: Solve for x
    x = 88,698,499,630,168.33/8,219,584.80
  6. Step 6: Final answer
    x = 10,791,116.80

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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.