Home / 12,448,127.68-18,671,530.32-3,812,225.44

Finding the Fourth Proportional to 12,448,127.68, 18,671,530.32 and 3,812,225.44

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Solution

The fourth proportional to 12,448,127.68, 18,671,530.32 and 3,812,225.44 is: 5,718,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,127.68 : 18,671,530.32 = 3,812,225.44 : x
  2. Step 2: Convert to fraction form
    12,448,127.68/18,671,530.32 = 3,812,225.44/x
  3. Step 3: Cross multiply
    12,448,127.68x = 18,671,530.32 × 3,812,225.44
  4. Step 4: Simplify right side
    12,448,127.68x = 71,180,082,889,635.34
  5. Step 5: Solve for x
    x = 71,180,082,889,635.34/12,448,127.68
  6. Step 6: Final answer
    x = 5,718,135.67

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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.