Home / 12,089,140.60-18,133,710.90-11,379,969.40

Finding the Fourth Proportional to 12,089,140.60, 18,133,710.90 and 11,379,969.40

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Solution

The fourth proportional to 12,089,140.60, 18,133,710.90 and 11,379,969.40 is: 17,069,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,140.60 : 18,133,710.90 = 11,379,969.40 : x
  2. Step 2: Convert to fraction form
    12,089,140.60/18,133,710.90 = 11,379,969.40/x
  3. Step 3: Cross multiply
    12,089,140.60x = 18,133,710.90 × 11,379,969.40
  4. Step 4: Simplify right side
    12,089,140.60x = 206,361,075,150,446.44
  5. Step 5: Solve for x
    x = 206,361,075,150,446.44/12,089,140.60
  6. Step 6: Final answer
    x = 17,069,954.10

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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.