Home / 30,588,429.15-42,213,145.97-16,649,110.47

Finding the Fourth Proportional to 30,588,429.15, 42,213,145.97 and 16,649,110.47

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Solution

The fourth proportional to 30,588,429.15, 42,213,145.97 and 16,649,110.47 is: 22,976,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,429.15 : 42,213,145.97 = 16,649,110.47 : x
  2. Step 2: Convert to fraction form
    30,588,429.15/42,213,145.97 = 16,649,110.47/x
  3. Step 3: Cross multiply
    30,588,429.15x = 42,213,145.97 × 16,649,110.47
  4. Step 4: Simplify right side
    30,588,429.15x = 702,811,330,457,519.88
  5. Step 5: Solve for x
    x = 702,811,330,457,519.88/30,588,429.15
  6. Step 6: Final answer
    x = 22,976,378.65

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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.