Home / 13,380,203.69-18,464,681.09-7,268,632.19

Finding the Fourth Proportional to 13,380,203.69, 18,464,681.09 and 7,268,632.19

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Solution

The fourth proportional to 13,380,203.69, 18,464,681.09 and 7,268,632.19 is: 10,030,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,203.69 : 18,464,681.09 = 7,268,632.19 : x
  2. Step 2: Convert to fraction form
    13,380,203.69/18,464,681.09 = 7,268,632.19/x
  3. Step 3: Cross multiply
    13,380,203.69x = 18,464,681.09 × 7,268,632.19
  4. Step 4: Simplify right side
    13,380,203.69x = 134,212,975,348,858.30
  5. Step 5: Solve for x
    x = 134,212,975,348,858.30/13,380,203.69
  6. Step 6: Final answer
    x = 10,030,712.42

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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.