Home / 12,313,073.20-18,453,503.40-6,621,041.20

Finding the Fourth Proportional to 12,313,073.20, 18,453,503.40 and 6,621,041.20

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Solution

The fourth proportional to 12,313,073.20, 18,453,503.40 and 6,621,041.20 is: 9,922,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,073.20 : 18,453,503.40 = 6,621,041.20 : x
  2. Step 2: Convert to fraction form
    12,313,073.20/18,453,503.40 = 6,621,041.20/x
  3. Step 3: Cross multiply
    12,313,073.20x = 18,453,503.40 × 6,621,041.20
  4. Step 4: Simplify right side
    12,313,073.20x = 122,181,406,295,740.08
  5. Step 5: Solve for x
    x = 122,181,406,295,740.08/12,313,073.20
  6. Step 6: Final answer
    x = 9,922,900.99

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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.