Home / 15,134,422.87-20,886,164.91-8,519,437.81

Finding the Fourth Proportional to 15,134,422.87, 20,886,164.91 and 8,519,437.81

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Solution

The fourth proportional to 15,134,422.87, 20,886,164.91 and 8,519,437.81 is: 11,757,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,422.87 : 20,886,164.91 = 8,519,437.81 : x
  2. Step 2: Convert to fraction form
    15,134,422.87/20,886,164.91 = 8,519,437.81/x
  3. Step 3: Cross multiply
    15,134,422.87x = 20,886,164.91 × 8,519,437.81
  4. Step 4: Simplify right side
    15,134,422.87x = 177,938,383,066,256.94
  5. Step 5: Solve for x
    x = 177,938,383,066,256.94/15,134,422.87
  6. Step 6: Final answer
    x = 11,757,196.46

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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.