Home / 21,957,495.89-30,302,008.70-12,167,024.09

Finding the Fourth Proportional to 21,957,495.89, 30,302,008.70 and 12,167,024.09

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Solution

The fourth proportional to 21,957,495.89, 30,302,008.70 and 12,167,024.09 is: 16,790,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957,495.89 : 30,302,008.70 = 12,167,024.09 : x
  2. Step 2: Convert to fraction form
    21,957,495.89/30,302,008.70 = 12,167,024.09/x
  3. Step 3: Cross multiply
    21,957,495.89x = 30,302,008.70 × 12,167,024.09
  4. Step 4: Simplify right side
    21,957,495.89x = 368,685,269,615,944.44
  5. Step 5: Solve for x
    x = 368,685,269,615,944.44/21,957,495.89
  6. Step 6: Final answer
    x = 16,790,861.38

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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.