Home / 18,445,743.46-25,455,555.21-11,570,515.30

Finding the Fourth Proportional to 18,445,743.46, 25,455,555.21 and 11,570,515.30

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Solution

The fourth proportional to 18,445,743.46, 25,455,555.21 and 11,570,515.30 is: 15,967,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,743.46 : 25,455,555.21 = 11,570,515.30 : x
  2. Step 2: Convert to fraction form
    18,445,743.46/25,455,555.21 = 11,570,515.30/x
  3. Step 3: Cross multiply
    18,445,743.46x = 25,455,555.21 × 11,570,515.30
  4. Step 4: Simplify right side
    18,445,743.46x = 294,533,891,027,299.75
  5. Step 5: Solve for x
    x = 294,533,891,027,299.75/18,445,743.46
  6. Step 6: Final answer
    x = 15,967,580.36

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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.