Home / 28,380,004.80-42,575,536.80-11,337,777.60

Finding the Fourth Proportional to 28,380,004.80, 42,575,536.80 and 11,337,777.60

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Solution

The fourth proportional to 28,380,004.80, 42,575,536.80 and 11,337,777.60 is: 17,008,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,004.80 : 42,575,536.80 = 11,337,777.60 : x
  2. Step 2: Convert to fraction form
    28,380,004.80/42,575,536.80 = 11,337,777.60/x
  3. Step 3: Cross multiply
    28,380,004.80x = 42,575,536.80 × 11,337,777.60
  4. Step 4: Simplify right side
    28,380,004.80x = 482,711,967,439,015.62
  5. Step 5: Solve for x
    x = 482,711,967,439,015.62/28,380,004.80
  6. Step 6: Final answer
    x = 17,008,875.47

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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.