Home / 14,243,659.31-21,365,515.70-3,460,969.28

Finding the Fourth Proportional to 14,243,659.31, 21,365,515.70 and 3,460,969.28

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Solution

The fourth proportional to 14,243,659.31, 21,365,515.70 and 3,460,969.28 is: 5,191,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243,659.31 : 21,365,515.70 = 3,460,969.28 : x
  2. Step 2: Convert to fraction form
    14,243,659.31/21,365,515.70 = 3,460,969.28/x
  3. Step 3: Cross multiply
    14,243,659.31x = 21,365,515.70 × 3,460,969.28
  4. Step 4: Simplify right side
    14,243,659.31x = 73,945,393,489,057.69
  5. Step 5: Solve for x
    x = 73,945,393,489,057.69/14,243,659.31
  6. Step 6: Final answer
    x = 5,191,460.42

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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.