Home / 18,954,334.80-28,431,502.20-11,742,483.60

Finding the Fourth Proportional to 18,954,334.80, 28,431,502.20 and 11,742,483.60

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Solution

The fourth proportional to 18,954,334.80, 28,431,502.20 and 11,742,483.60 is: 17,613,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,334.80 : 28,431,502.20 = 11,742,483.60 : x
  2. Step 2: Convert to fraction form
    18,954,334.80/28,431,502.20 = 11,742,483.60/x
  3. Step 3: Cross multiply
    18,954,334.80x = 28,431,502.20 × 11,742,483.60
  4. Step 4: Simplify right side
    18,954,334.80x = 333,856,448,306,863.88
  5. Step 5: Solve for x
    x = 333,856,448,306,863.88/18,954,334.80
  6. Step 6: Final answer
    x = 17,613,725.40

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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.