Home / 20,181,476.40-30,254,216.40-7,399,002.48

Finding the Fourth Proportional to 20,181,476.40, 30,254,216.40 and 7,399,002.48

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Solution

The fourth proportional to 20,181,476.40, 30,254,216.40 and 7,399,002.48 is: 11,091,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,476.40 : 30,254,216.40 = 7,399,002.48 : x
  2. Step 2: Convert to fraction form
    20,181,476.40/30,254,216.40 = 7,399,002.48/x
  3. Step 3: Cross multiply
    20,181,476.40x = 30,254,216.40 × 7,399,002.48
  4. Step 4: Simplify right side
    20,181,476.40x = 223,851,022,174,056.69
  5. Step 5: Solve for x
    x = 223,851,022,174,056.69/20,181,476.40
  6. Step 6: Final answer
    x = 11,091,905.16

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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.