Home / 18,467,581.04-27,701,315.67-12,980,083.76

Finding the Fourth Proportional to 18,467,581.04, 27,701,315.67 and 12,980,083.76

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Solution

The fourth proportional to 18,467,581.04, 27,701,315.67 and 12,980,083.76 is: 19,470,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467,581.04 : 27,701,315.67 = 12,980,083.76 : x
  2. Step 2: Convert to fraction form
    18,467,581.04/27,701,315.67 = 12,980,083.76/x
  3. Step 3: Cross multiply
    18,467,581.04x = 27,701,315.67 × 12,980,083.76
  4. Step 4: Simplify right side
    18,467,581.04x = 359,565,397,658,800.56
  5. Step 5: Solve for x
    x = 359,565,397,658,800.56/18,467,581.04
  6. Step 6: Final answer
    x = 19,470,086.36

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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.