Home / 30,143,732.43-45,221,572.80-8,579,183.43

Finding the Fourth Proportional to 30,143,732.43, 45,221,572.80 and 8,579,183.43

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Solution

The fourth proportional to 30,143,732.43, 45,221,572.80 and 8,579,183.43 is: 12,870,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143,732.43 : 45,221,572.80 = 8,579,183.43 : x
  2. Step 2: Convert to fraction form
    30,143,732.43/45,221,572.80 = 8,579,183.43/x
  3. Step 3: Cross multiply
    30,143,732.43x = 45,221,572.80 × 8,579,183.43
  4. Step 4: Simplify right side
    30,143,732.43x = 387,964,168,044,298.69
  5. Step 5: Solve for x
    x = 387,964,168,044,298.69/30,143,732.43
  6. Step 6: Final answer
    x = 12,870,475.44

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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.