Home / 30,136,778.29-41,588,461.75-16,385,742.42

Finding the Fourth Proportional to 30,136,778.29, 41,588,461.75 and 16,385,742.42

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Solution

The fourth proportional to 30,136,778.29, 41,588,461.75 and 16,385,742.42 is: 22,612,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136,778.29 : 41,588,461.75 = 16,385,742.42 : x
  2. Step 2: Convert to fraction form
    30,136,778.29/41,588,461.75 = 16,385,742.42/x
  3. Step 3: Cross multiply
    30,136,778.29x = 41,588,461.75 × 16,385,742.42
  4. Step 4: Simplify right side
    30,136,778.29x = 681,457,821,713,324.62
  5. Step 5: Solve for x
    x = 681,457,821,713,324.62/30,136,778.29
  6. Step 6: Final answer
    x = 22,612,165.61

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1.5x scale

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.