Home / 14,128,754.71-21,164,755.96-6,441,825.60

Finding the Fourth Proportional to 14,128,754.71, 21,164,755.96 and 6,441,825.60

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Solution

The fourth proportional to 14,128,754.71, 21,164,755.96 and 6,441,825.60 is: 9,649,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,754.71 : 21,164,755.96 = 6,441,825.60 : x
  2. Step 2: Convert to fraction form
    14,128,754.71/21,164,755.96 = 6,441,825.60/x
  3. Step 3: Cross multiply
    14,128,754.71x = 21,164,755.96 × 6,441,825.60
  4. Step 4: Simplify right side
    14,128,754.71x = 136,339,666,728,671.42
  5. Step 5: Solve for x
    x = 136,339,666,728,671.42/14,128,754.71
  6. Step 6: Final answer
    x = 9,649,800.68

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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.