Home / 8,308,536.80-12,461,883.60-6,810,015.20

Finding the Fourth Proportional to 8,308,536.80, 12,461,883.60 and 6,810,015.20

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Solution

The fourth proportional to 8,308,536.80, 12,461,883.60 and 6,810,015.20 is: 10,214,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,536.80 : 12,461,883.60 = 6,810,015.20 : x
  2. Step 2: Convert to fraction form
    8,308,536.80/12,461,883.60 = 6,810,015.20/x
  3. Step 3: Cross multiply
    8,308,536.80x = 12,461,883.60 × 6,810,015.20
  4. Step 4: Simplify right side
    8,308,536.80x = 84,865,616,736,630.72
  5. Step 5: Solve for x
    x = 84,865,616,736,630.72/8,308,536.80
  6. Step 6: Final answer
    x = 10,214,267.42

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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.