Home / 8,685,910.60-13,037,160.30-7,425,161.80

Finding the Fourth Proportional to 8,685,910.60, 13,037,160.30 and 7,425,161.80

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Solution

The fourth proportional to 8,685,910.60, 13,037,160.30 and 7,425,161.80 is: 11,144,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,910.60 : 13,037,160.30 = 7,425,161.80 : x
  2. Step 2: Convert to fraction form
    8,685,910.60/13,037,160.30 = 7,425,161.80/x
  3. Step 3: Cross multiply
    8,685,910.60x = 13,037,160.30 × 7,425,161.80
  4. Step 4: Simplify right side
    8,685,910.60x = 96,803,024,640,036.55
  5. Step 5: Solve for x
    x = 96,803,024,640,036.55/8,685,910.60
  6. Step 6: Final answer
    x = 11,144,833.18

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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.