Home / 13,529,253.60-18,671,132.76-8,025,886.80

Finding the Fourth Proportional to 13,529,253.60, 18,671,132.76 and 8,025,886.80

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Solution

The fourth proportional to 13,529,253.60, 18,671,132.76 and 8,025,886.80 is: 11,076,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,253.60 : 18,671,132.76 = 8,025,886.80 : x
  2. Step 2: Convert to fraction form
    13,529,253.60/18,671,132.76 = 8,025,886.80/x
  3. Step 3: Cross multiply
    13,529,253.60x = 18,671,132.76 × 8,025,886.80
  4. Step 4: Simplify right side
    13,529,253.60x = 149,852,397,959,531.56
  5. Step 5: Solve for x
    x = 149,852,397,959,531.56/13,529,253.60
  6. Step 6: Final answer
    x = 11,076,176.29

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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.