Home / 16,782,030.16-25,142,563.32-7,691,691.76

Finding the Fourth Proportional to 16,782,030.16, 25,142,563.32 and 7,691,691.76

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Solution

The fourth proportional to 16,782,030.16, 25,142,563.32 and 7,691,691.76 is: 11,523,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782,030.16 : 25,142,563.32 = 7,691,691.76 : x
  2. Step 2: Convert to fraction form
    16,782,030.16/25,142,563.32 = 7,691,691.76/x
  3. Step 3: Cross multiply
    16,782,030.16x = 25,142,563.32 × 7,691,691.76
  4. Step 4: Simplify right side
    16,782,030.16x = 193,388,847,113,722.25
  5. Step 5: Solve for x
    x = 193,388,847,113,722.25/16,782,030.16
  6. Step 6: Final answer
    x = 11,523,566.89

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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.