Home / 30,417,519.20-41,977,857.36-17,368,969.52

Finding the Fourth Proportional to 30,417,519.20, 41,977,857.36 and 17,368,969.52

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Solution

The fourth proportional to 30,417,519.20, 41,977,857.36 and 17,368,969.52 is: 23,970,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417,519.20 : 41,977,857.36 = 17,368,969.52 : x
  2. Step 2: Convert to fraction form
    30,417,519.20/41,977,857.36 = 17,368,969.52/x
  3. Step 3: Cross multiply
    30,417,519.20x = 41,977,857.36 × 17,368,969.52
  4. Step 4: Simplify right side
    30,417,519.20x = 729,112,125,000,747.62
  5. Step 5: Solve for x
    x = 729,112,125,000,747.62/30,417,519.20
  6. Step 6: Final answer
    x = 23,970,137.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.