Home / 13,745,154.36-18,967,206.83-7,944,311.82

Finding the Fourth Proportional to 13,745,154.36, 18,967,206.83 and 7,944,311.82

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Solution

The fourth proportional to 13,745,154.36, 18,967,206.83 and 7,944,311.82 is: 10,962,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,154.36 : 18,967,206.83 = 7,944,311.82 : x
  2. Step 2: Convert to fraction form
    13,745,154.36/18,967,206.83 = 7,944,311.82/x
  3. Step 3: Cross multiply
    13,745,154.36x = 18,967,206.83 × 7,944,311.82
  4. Step 4: Simplify right side
    13,745,154.36x = 150,681,405,411,953.72
  5. Step 5: Solve for x
    x = 150,681,405,411,953.72/13,745,154.36
  6. Step 6: Final answer
    x = 10,962,510.97

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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.