Home / 13,148,272.85-18,144,268.43-7,347,102.26

Finding the Fourth Proportional to 13,148,272.85, 18,144,268.43 and 7,347,102.26

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Solution

The fourth proportional to 13,148,272.85, 18,144,268.43 and 7,347,102.26 is: 10,138,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,272.85 : 18,144,268.43 = 7,347,102.26 : x
  2. Step 2: Convert to fraction form
    13,148,272.85/18,144,268.43 = 7,347,102.26/x
  3. Step 3: Cross multiply
    13,148,272.85x = 18,144,268.43 × 7,347,102.26
  4. Step 4: Simplify right side
    13,148,272.85x = 133,307,795,460,642.80
  5. Step 5: Solve for x
    x = 133,307,795,460,642.80/13,148,272.85
  6. Step 6: Final answer
    x = 10,138,806.60

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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.