Home / 13,685,019.18-18,885,919.23-7,573,449.66

Finding the Fourth Proportional to 13,685,019.18, 18,885,919.23 and 7,573,449.66

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Solution

The fourth proportional to 13,685,019.18, 18,885,919.23 and 7,573,449.66 is: 10,451,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685,019.18 : 18,885,919.23 = 7,573,449.66 : x
  2. Step 2: Convert to fraction form
    13,685,019.18/18,885,919.23 = 7,573,449.66/x
  3. Step 3: Cross multiply
    13,685,019.18x = 18,885,919.23 × 7,573,449.66
  4. Step 4: Simplify right side
    13,685,019.18x = 143,031,558,571,230.97
  5. Step 5: Solve for x
    x = 143,031,558,571,230.97/13,685,019.18
  6. Step 6: Final answer
    x = 10,451,688.57

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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.