Home / 8,333,530.80-12,500,296.20-7,430,081.10

Finding the Fourth Proportional to 8,333,530.80, 12,500,296.20 and 7,430,081.10

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Solution

The fourth proportional to 8,333,530.80, 12,500,296.20 and 7,430,081.10 is: 11,145,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,530.80 : 12,500,296.20 = 7,430,081.10 : x
  2. Step 2: Convert to fraction form
    8,333,530.80/12,500,296.20 = 7,430,081.10/x
  3. Step 3: Cross multiply
    8,333,530.80x = 12,500,296.20 × 7,430,081.10
  4. Step 4: Simplify right side
    8,333,530.80x = 92,878,214,540,021.81
  5. Step 5: Solve for x
    x = 92,878,214,540,021.81/8,333,530.80
  6. Step 6: Final answer
    x = 11,145,121.65

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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.