Home / 12,470,934.21-18,706,393.31-9,080,786.91

Finding the Fourth Proportional to 12,470,934.21, 18,706,393.31 and 9,080,786.91

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Solution

The fourth proportional to 12,470,934.21, 18,706,393.31 and 9,080,786.91 is: 13,621,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,934.21 : 18,706,393.31 = 9,080,786.91 : x
  2. Step 2: Convert to fraction form
    12,470,934.21/18,706,393.31 = 9,080,786.91/x
  3. Step 3: Cross multiply
    12,470,934.21x = 18,706,393.31 × 9,080,786.91
  4. Step 4: Simplify right side
    12,470,934.21x = 169,868,771,457,355.62
  5. Step 5: Solve for x
    x = 169,868,771,457,355.62/12,470,934.21
  6. Step 6: Final answer
    x = 13,621,174.53

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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.