Home / 12,457,092.40-18,685,638.60-11,659,930.90

Finding the Fourth Proportional to 12,457,092.40, 18,685,638.60 and 11,659,930.90

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Solution

The fourth proportional to 12,457,092.40, 18,685,638.60 and 11,659,930.90 is: 17,489,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,092.40 : 18,685,638.60 = 11,659,930.90 : x
  2. Step 2: Convert to fraction form
    12,457,092.40/18,685,638.60 = 11,659,930.90/x
  3. Step 3: Cross multiply
    12,457,092.40x = 18,685,638.60 × 11,659,930.90
  4. Step 4: Simplify right side
    12,457,092.40x = 217,873,254,898,372.75
  5. Step 5: Solve for x
    x = 217,873,254,898,372.75/12,457,092.40
  6. Step 6: Final answer
    x = 17,489,896.35

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1.5x scale

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.