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Finding the Fourth Proportional to 14,671,169.49, 21,978,126.41 and 9,607,127.25

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Solution

The fourth proportional to 14,671,169.49, 21,978,126.41 and 9,607,127.25 is: 14,391,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671,169.49 : 21,978,126.41 = 9,607,127.25 : x
  2. Step 2: Convert to fraction form
    14,671,169.49/21,978,126.41 = 9,607,127.25/x
  3. Step 3: Cross multiply
    14,671,169.49x = 21,978,126.41 × 9,607,127.25
  4. Step 4: Simplify right side
    14,671,169.49x = 211,146,657,089,420.06
  5. Step 5: Solve for x
    x = 211,146,657,089,420.06/14,671,169.49
  6. Step 6: Final answer
    x = 14,391,944.50

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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.