Home / 18,742,255.40-28,113,383.10-11,177,762.60

Finding the Fourth Proportional to 18,742,255.40, 28,113,383.10 and 11,177,762.60

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Solution

The fourth proportional to 18,742,255.40, 28,113,383.10 and 11,177,762.60 is: 16,766,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742,255.40 : 28,113,383.10 = 11,177,762.60 : x
  2. Step 2: Convert to fraction form
    18,742,255.40/28,113,383.10 = 11,177,762.60/x
  3. Step 3: Cross multiply
    18,742,255.40x = 28,113,383.10 × 11,177,762.60
  4. Step 4: Simplify right side
    18,742,255.40x = 314,244,722,174,652.06
  5. Step 5: Solve for x
    x = 314,244,722,174,652.06/18,742,255.40
  6. Step 6: Final answer
    x = 16,766,643.90

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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.