Home / 18,171,851.04-25,077,232.98-9,912,090.92

Finding the Fourth Proportional to 18,171,851.04, 25,077,232.98 and 9,912,090.92

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Solution

The fourth proportional to 18,171,851.04, 25,077,232.98 and 9,912,090.92 is: 13,678,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,851.04 : 25,077,232.98 = 9,912,090.92 : x
  2. Step 2: Convert to fraction form
    18,171,851.04/25,077,232.98 = 9,912,090.92/x
  3. Step 3: Cross multiply
    18,171,851.04x = 25,077,232.98 × 9,912,090.92
  4. Step 4: Simplify right side
    18,171,851.04x = 248,567,813,194,396.34
  5. Step 5: Solve for x
    x = 248,567,813,194,396.34/18,171,851.04
  6. Step 6: Final answer
    x = 13,678,728.31

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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.