Home / 12,028,536.40-18,042,804.60-9,477,619.60

Finding the Fourth Proportional to 12,028,536.40, 18,042,804.60 and 9,477,619.60

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Solution

The fourth proportional to 12,028,536.40, 18,042,804.60 and 9,477,619.60 is: 14,216,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,536.40 : 18,042,804.60 = 9,477,619.60 : x
  2. Step 2: Convert to fraction form
    12,028,536.40/18,042,804.60 = 9,477,619.60/x
  3. Step 3: Cross multiply
    12,028,536.40x = 18,042,804.60 × 9,477,619.60
  4. Step 4: Simplify right side
    12,028,536.40x = 171,002,838,515,930.16
  5. Step 5: Solve for x
    x = 171,002,838,515,930.16/12,028,536.40
  6. Step 6: Final answer
    x = 14,216,429.40

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Similar ratio
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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.