Home / 10,976,536.60-16,483,467.30-8,139,851.80

Finding the Fourth Proportional to 10,976,536.60, 16,483,467.30 and 8,139,851.80

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Solution

The fourth proportional to 10,976,536.60, 16,483,467.30 and 8,139,851.80 is: 12,223,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,536.60 : 16,483,467.30 = 8,139,851.80 : x
  2. Step 2: Convert to fraction form
    10,976,536.60/16,483,467.30 = 8,139,851.80/x
  3. Step 3: Cross multiply
    10,976,536.60x = 16,483,467.30 × 8,139,851.80
  4. Step 4: Simplify right side
    10,976,536.60x = 134,172,980,972,146.14
  5. Step 5: Solve for x
    x = 134,172,980,972,146.14/10,976,536.60
  6. Step 6: Final answer
    x = 12,223,617.14

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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.