Home / 13,067,491.43-18,035,395.34-7,563,900.81

Finding the Fourth Proportional to 13,067,491.43, 18,035,395.34 and 7,563,900.81

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Solution

The fourth proportional to 13,067,491.43, 18,035,395.34 and 7,563,900.81 is: 10,439,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067,491.43 : 18,035,395.34 = 7,563,900.81 : x
  2. Step 2: Convert to fraction form
    13,067,491.43/18,035,395.34 = 7,563,900.81/x
  3. Step 3: Cross multiply
    13,067,491.43x = 18,035,395.34 × 7,563,900.81
  4. Step 4: Simplify right side
    13,067,491.43x = 136,417,941,394,717.50
  5. Step 5: Solve for x
    x = 136,417,941,394,717.50/13,067,491.43
  6. Step 6: Final answer
    x = 10,439,489.64

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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.