Home / 12,089,888.80-18,134,833.20-9,350,015.20

Finding the Fourth Proportional to 12,089,888.80, 18,134,833.20 and 9,350,015.20

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Solution

The fourth proportional to 12,089,888.80, 18,134,833.20 and 9,350,015.20 is: 14,025,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,888.80 : 18,134,833.20 = 9,350,015.20 : x
  2. Step 2: Convert to fraction form
    12,089,888.80/18,134,833.20 = 9,350,015.20/x
  3. Step 3: Cross multiply
    12,089,888.80x = 18,134,833.20 × 9,350,015.20
  4. Step 4: Simplify right side
    12,089,888.80x = 169,560,966,069,464.62
  5. Step 5: Solve for x
    x = 169,560,966,069,464.62/12,089,888.80
  6. Step 6: Final answer
    x = 14,025,022.80

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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.