Home / 13,640,801.25-18,824,307.48-7,529,231.37

Finding the Fourth Proportional to 13,640,801.25, 18,824,307.48 and 7,529,231.37

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Solution

The fourth proportional to 13,640,801.25, 18,824,307.48 and 7,529,231.37 is: 10,390,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,801.25 : 18,824,307.48 = 7,529,231.37 : x
  2. Step 2: Convert to fraction form
    13,640,801.25/18,824,307.48 = 7,529,231.37/x
  3. Step 3: Cross multiply
    13,640,801.25x = 18,824,307.48 × 7,529,231.37
  4. Step 4: Simplify right side
    13,640,801.25x = 141,732,566,396,941.66
  5. Step 5: Solve for x
    x = 141,732,566,396,941.66/13,640,801.25
  6. Step 6: Final answer
    x = 10,390,340.26

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1.5x scale

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.