Home / 12,301,336.40-18,452,004.60-10,978,638.80

Finding the Fourth Proportional to 12,301,336.40, 18,452,004.60 and 10,978,638.80

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Solution

The fourth proportional to 12,301,336.40, 18,452,004.60 and 10,978,638.80 is: 16,467,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,336.40 : 18,452,004.60 = 10,978,638.80 : x
  2. Step 2: Convert to fraction form
    12,301,336.40/18,452,004.60 = 10,978,638.80/x
  3. Step 3: Cross multiply
    12,301,336.40x = 18,452,004.60 × 10,978,638.80
  4. Step 4: Simplify right side
    12,301,336.40x = 202,577,893,639,338.50
  5. Step 5: Solve for x
    x = 202,577,893,639,338.50/12,301,336.40
  6. Step 6: Final answer
    x = 16,467,958.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.