Home / 13,640,243.12-18,822,194.52-7,528,277.60

Finding the Fourth Proportional to 13,640,243.12, 18,822,194.52 and 7,528,277.60

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Solution

The fourth proportional to 13,640,243.12, 18,822,194.52 and 7,528,277.60 is: 10,388,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,243.12 : 18,822,194.52 = 7,528,277.60 : x
  2. Step 2: Convert to fraction form
    13,640,243.12/18,822,194.52 = 7,528,277.60/x
  3. Step 3: Cross multiply
    13,640,243.12x = 18,822,194.52 × 7,528,277.60
  4. Step 4: Simplify right side
    13,640,243.12x = 141,698,705,387,758.75
  5. Step 5: Solve for x
    x = 141,698,705,387,758.75/13,640,243.12
  6. Step 6: Final answer
    x = 10,388,282.98

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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.