Home / 13,643,010.72-18,827,239.32-7,531,308

Finding the Fourth Proportional to 13,643,010.72, 18,827,239.32 and 7,531,308

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Solution

The fourth proportional to 13,643,010.72, 18,827,239.32 and 7,531,308 is: 10,393,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,010.72 : 18,827,239.32 = 7,531,308 : x
  2. Step 2: Convert to fraction form
    13,643,010.72/18,827,239.32 = 7,531,308/x
  3. Step 3: Cross multiply
    13,643,010.72x = 18,827,239.32 × 7,531,308
  4. Step 4: Simplify right side
    13,643,010.72x = 141,793,738,108,630.56
  5. Step 5: Solve for x
    x = 141,793,738,108,630.56/13,643,010.72
  6. Step 6: Final answer
    x = 10,393,141.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.