Home / 15,640,273.67-21,575,907.83-13,572,386.87

Finding the Fourth Proportional to 15,640,273.67, 21,575,907.83 and 13,572,386.87

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Solution

The fourth proportional to 15,640,273.67, 21,575,907.83 and 13,572,386.87 is: 18,723,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640,273.67 : 21,575,907.83 = 13,572,386.87 : x
  2. Step 2: Convert to fraction form
    15,640,273.67/21,575,907.83 = 13,572,386.87/x
  3. Step 3: Cross multiply
    15,640,273.67x = 21,575,907.83 × 13,572,386.87
  4. Step 4: Simplify right side
    15,640,273.67x = 292,836,568,066,273.62
  5. Step 5: Solve for x
    x = 292,836,568,066,273.62/15,640,273.67
  6. Step 6: Final answer
    x = 18,723,238.12

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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.