Home / 12,313,097.20-18,453,539.40-6,621,065.20

Finding the Fourth Proportional to 12,313,097.20, 18,453,539.40 and 6,621,065.20

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Solution

The fourth proportional to 12,313,097.20, 18,453,539.40 and 6,621,065.20 is: 9,922,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,097.20 : 18,453,539.40 = 6,621,065.20 : x
  2. Step 2: Convert to fraction form
    12,313,097.20/18,453,539.40 = 6,621,065.20/x
  3. Step 3: Cross multiply
    12,313,097.20x = 18,453,539.40 × 6,621,065.20
  4. Step 4: Simplify right side
    12,313,097.20x = 122,182,087,538,168.88
  5. Step 5: Solve for x
    x = 122,182,087,538,168.88/12,313,097.20
  6. Step 6: Final answer
    x = 9,922,936.98

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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.