Home / 18,403,231.80-27,604,847.70-4,941,420.60

Finding the Fourth Proportional to 18,403,231.80, 27,604,847.70 and 4,941,420.60

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Solution

The fourth proportional to 18,403,231.80, 27,604,847.70 and 4,941,420.60 is: 7,412,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,231.80 : 27,604,847.70 = 4,941,420.60 : x
  2. Step 2: Convert to fraction form
    18,403,231.80/27,604,847.70 = 4,941,420.60/x
  3. Step 3: Cross multiply
    18,403,231.80x = 27,604,847.70 × 4,941,420.60
  4. Step 4: Simplify right side
    18,403,231.80x = 136,407,163,084,642.61
  5. Step 5: Solve for x
    x = 136,407,163,084,642.61/18,403,231.80
  6. Step 6: Final answer
    x = 7,412,130.90

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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.