Home / 18,180,102.24-25,089,145.79-9,920,617.56

Finding the Fourth Proportional to 18,180,102.24, 25,089,145.79 and 9,920,617.56

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Solution

The fourth proportional to 18,180,102.24, 25,089,145.79 and 9,920,617.56 is: 13,690,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180,102.24 : 25,089,145.79 = 9,920,617.56 : x
  2. Step 2: Convert to fraction form
    18,180,102.24/25,089,145.79 = 9,920,617.56/x
  3. Step 3: Cross multiply
    18,180,102.24x = 25,089,145.79 × 9,920,617.56
  4. Step 4: Simplify right side
    18,180,102.24x = 248,899,820,240,071
  5. Step 5: Solve for x
    x = 248,899,820,240,071/18,180,102.24
  6. Step 6: Final answer
    x = 13,690,782.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.