Home / 15,339,245.60-21,168,598.56-8,464,170.54

Finding the Fourth Proportional to 15,339,245.60, 21,168,598.56 and 8,464,170.54

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Solution

The fourth proportional to 15,339,245.60, 21,168,598.56 and 8,464,170.54 is: 11,680,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339,245.60 : 21,168,598.56 = 8,464,170.54 : x
  2. Step 2: Convert to fraction form
    15,339,245.60/21,168,598.56 = 8,464,170.54/x
  3. Step 3: Cross multiply
    15,339,245.60x = 21,168,598.56 × 8,464,170.54
  4. Step 4: Simplify right side
    15,339,245.60x = 179,174,628,304,638.41
  5. Step 5: Solve for x
    x = 179,174,628,304,638.41/15,339,245.60
  6. Step 6: Final answer
    x = 11,680,797.93

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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.