Home / 13,742,666.40-20,613,999.60-12,481,917.60

Finding the Fourth Proportional to 13,742,666.40, 20,613,999.60 and 12,481,917.60

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Solution

The fourth proportional to 13,742,666.40, 20,613,999.60 and 12,481,917.60 is: 18,722,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,666.40 : 20,613,999.60 = 12,481,917.60 : x
  2. Step 2: Convert to fraction form
    13,742,666.40/20,613,999.60 = 12,481,917.60/x
  3. Step 3: Cross multiply
    13,742,666.40x = 20,613,999.60 × 12,481,917.60
  4. Step 4: Simplify right side
    13,742,666.40x = 257,302,244,413,632.97
  5. Step 5: Solve for x
    x = 257,302,244,413,632.97/13,742,666.40
  6. Step 6: Final answer
    x = 18,722,876.40

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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.