Home / 28,425,189.42-42,628,236.66-9,251,437.32

Finding the Fourth Proportional to 28,425,189.42, 42,628,236.66 and 9,251,437.32

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Solution

The fourth proportional to 28,425,189.42, 42,628,236.66 and 9,251,437.32 is: 13,874,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,189.42 : 42,628,236.66 = 9,251,437.32 : x
  2. Step 2: Convert to fraction form
    28,425,189.42/42,628,236.66 = 9,251,437.32/x
  3. Step 3: Cross multiply
    28,425,189.42x = 42,628,236.66 × 9,251,437.32
  4. Step 4: Simplify right side
    28,425,189.42x = 394,372,459,522,116.12
  5. Step 5: Solve for x
    x = 394,372,459,522,116.12/28,425,189.42
  6. Step 6: Final answer
    x = 13,874,048.60

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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.