Home / 12,387,228.21-18,581,029.08-4,300,460.64

Finding the Fourth Proportional to 12,387,228.21, 18,581,029.08 and 4,300,460.64

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Solution

The fourth proportional to 12,387,228.21, 18,581,029.08 and 4,300,460.64 is: 6,450,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,228.21 : 18,581,029.08 = 4,300,460.64 : x
  2. Step 2: Convert to fraction form
    12,387,228.21/18,581,029.08 = 4,300,460.64/x
  3. Step 3: Cross multiply
    12,387,228.21x = 18,581,029.08 × 4,300,460.64
  4. Step 4: Simplify right side
    12,387,228.21x = 79,906,984,209,235.39
  5. Step 5: Solve for x
    x = 79,906,984,209,235.39/12,387,228.21
  6. Step 6: Final answer
    x = 6,450,755.80

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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.