Home / 18,181,576.50-25,091,108.89-9,922,172.12

Finding the Fourth Proportional to 18,181,576.50, 25,091,108.89 and 9,922,172.12

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Solution

The fourth proportional to 18,181,576.50, 25,091,108.89 and 9,922,172.12 is: 13,692,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,576.50 : 25,091,108.89 = 9,922,172.12 : x
  2. Step 2: Convert to fraction form
    18,181,576.50/25,091,108.89 = 9,922,172.12/x
  3. Step 3: Cross multiply
    18,181,576.50x = 25,091,108.89 × 9,922,172.12
  4. Step 4: Simplify right side
    18,181,576.50x = 248,958,301,088,242.12
  5. Step 5: Solve for x
    x = 248,958,301,088,242.12/18,181,576.50
  6. Step 6: Final answer
    x = 13,692,888.57

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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.