Home / 18,780,459.24-28,181,155.74-10,144,385.64

Finding the Fourth Proportional to 18,780,459.24, 28,181,155.74 and 10,144,385.64

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Solution

The fourth proportional to 18,780,459.24, 28,181,155.74 and 10,144,385.64 is: 15,222,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780,459.24 : 28,181,155.74 = 10,144,385.64 : x
  2. Step 2: Convert to fraction form
    18,780,459.24/28,181,155.74 = 10,144,385.64/x
  3. Step 3: Cross multiply
    18,780,459.24x = 28,181,155.74 × 10,144,385.64
  4. Step 4: Simplify right side
    18,780,459.24x = 285,880,511,607,459.56
  5. Step 5: Solve for x
    x = 285,880,511,607,459.56/18,780,459.24
  6. Step 6: Final answer
    x = 15,222,232.21

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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.