Home / 13,036,936.50-17,991,881.67-8,618,986.29

Finding the Fourth Proportional to 13,036,936.50, 17,991,881.67 and 8,618,986.29

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Solution

The fourth proportional to 13,036,936.50, 17,991,881.67 and 8,618,986.29 is: 11,894,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,936.50 : 17,991,881.67 = 8,618,986.29 : x
  2. Step 2: Convert to fraction form
    13,036,936.50/17,991,881.67 = 8,618,986.29/x
  3. Step 3: Cross multiply
    13,036,936.50x = 17,991,881.67 × 8,618,986.29
  4. Step 4: Simplify right side
    13,036,936.50x = 155,071,781,445,032.31
  5. Step 5: Solve for x
    x = 155,071,781,445,032.31/13,036,936.50
  6. Step 6: Final answer
    x = 11,894,802.24

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Why These Related Problems?

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