Home / 12,269,210.46-18,398,181.32-4,178,894.55

Finding the Fourth Proportional to 12,269,210.46, 18,398,181.32 and 4,178,894.55

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Solution

The fourth proportional to 12,269,210.46, 18,398,181.32 and 4,178,894.55 is: 6,266,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,210.46 : 18,398,181.32 = 4,178,894.55 : x
  2. Step 2: Convert to fraction form
    12,269,210.46/18,398,181.32 = 4,178,894.55/x
  3. Step 3: Cross multiply
    12,269,210.46x = 18,398,181.32 × 4,178,894.55
  4. Step 4: Simplify right side
    12,269,210.46x = 76,884,059,648,059.80
  5. Step 5: Solve for x
    x = 76,884,059,648,059.80/12,269,210.46
  6. Step 6: Final answer
    x = 6,266,422.76

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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.