Home / 12,404,954.70-18,612,961.65-5,669,901.90

Finding the Fourth Proportional to 12,404,954.70, 18,612,961.65 and 5,669,901.90

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Solution

The fourth proportional to 12,404,954.70, 18,612,961.65 and 5,669,901.90 is: 8,507,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404,954.70 : 18,612,961.65 = 5,669,901.90 : x
  2. Step 2: Convert to fraction form
    12,404,954.70/18,612,961.65 = 5,669,901.90/x
  3. Step 3: Cross multiply
    12,404,954.70x = 18,612,961.65 × 5,669,901.90
  4. Step 4: Simplify right side
    12,404,954.70x = 105,533,666,623,962.14
  5. Step 5: Solve for x
    x = 105,533,666,623,962.14/12,404,954.70
  6. Step 6: Final answer
    x = 8,507,380.25

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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.