Home / 13,476,938.43-18,601,481.34-7,679,146.76

Finding the Fourth Proportional to 13,476,938.43, 18,601,481.34 and 7,679,146.76

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Solution

The fourth proportional to 13,476,938.43, 18,601,481.34 and 7,679,146.76 is: 10,599,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,938.43 : 18,601,481.34 = 7,679,146.76 : x
  2. Step 2: Convert to fraction form
    13,476,938.43/18,601,481.34 = 7,679,146.76/x
  3. Step 3: Cross multiply
    13,476,938.43x = 18,601,481.34 × 7,679,146.76
  4. Step 4: Simplify right side
    13,476,938.43x = 142,843,505,070,254.06
  5. Step 5: Solve for x
    x = 142,843,505,070,254.06/13,476,938.43
  6. Step 6: Final answer
    x = 10,599,106.45

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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.