Home / 13,285,983.18-18,336,011.43-8,132,750.22

Finding the Fourth Proportional to 13,285,983.18, 18,336,011.43 and 8,132,750.22

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Solution

The fourth proportional to 13,285,983.18, 18,336,011.43 and 8,132,750.22 is: 11,224,024.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,983.18 : 18,336,011.43 = 8,132,750.22 : x
  2. Step 2: Convert to fraction form
    13,285,983.18/18,336,011.43 = 8,132,750.22/x
  3. Step 3: Cross multiply
    13,285,983.18x = 18,336,011.43 × 8,132,750.22
  4. Step 4: Simplify right side
    13,285,983.18x = 149,122,200,991,255
  5. Step 5: Solve for x
    x = 149,122,200,991,255/13,285,983.18
  6. Step 6: Final answer
    x = 11,224,024.52

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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.