Home / 13,510,298.21-18,644,183.81-7,315,343.08

Finding the Fourth Proportional to 13,510,298.21, 18,644,183.81 and 7,315,343.08

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Solution

The fourth proportional to 13,510,298.21, 18,644,183.81 and 7,315,343.08 is: 10,095,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510,298.21 : 18,644,183.81 = 7,315,343.08 : x
  2. Step 2: Convert to fraction form
    13,510,298.21/18,644,183.81 = 7,315,343.08/x
  3. Step 3: Cross multiply
    13,510,298.21x = 18,644,183.81 × 7,315,343.08
  4. Step 4: Simplify right side
    13,510,298.21x = 136,388,600,960,976.89
  5. Step 5: Solve for x
    x = 136,388,600,960,976.89/13,510,298.21
  6. Step 6: Final answer
    x = 10,095,158.44

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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.