Home / 13,338,745.39-18,407,480.76-7,227,173.89

Finding the Fourth Proportional to 13,338,745.39, 18,407,480.76 and 7,227,173.89

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Solution

The fourth proportional to 13,338,745.39, 18,407,480.76 and 7,227,173.89 is: 9,973,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,745.39 : 18,407,480.76 = 7,227,173.89 : x
  2. Step 2: Convert to fraction form
    13,338,745.39/18,407,480.76 = 7,227,173.89/x
  3. Step 3: Cross multiply
    13,338,745.39x = 18,407,480.76 × 7,227,173.89
  4. Step 4: Simplify right side
    13,338,745.39x = 133,034,064,201,176.08
  5. Step 5: Solve for x
    x = 133,034,064,201,176.08/13,338,745.39
  6. Step 6: Final answer
    x = 9,973,506.53

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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.