Home / 12,068,765.78-18,114,525.08-4,399,823.07

Finding the Fourth Proportional to 12,068,765.78, 18,114,525.08 and 4,399,823.07

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Solution

The fourth proportional to 12,068,765.78, 18,114,525.08 and 4,399,823.07 is: 6,603,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,765.78 : 18,114,525.08 = 4,399,823.07 : x
  2. Step 2: Convert to fraction form
    12,068,765.78/18,114,525.08 = 4,399,823.07/x
  3. Step 3: Cross multiply
    12,068,765.78x = 18,114,525.08 × 4,399,823.07
  4. Step 4: Simplify right side
    12,068,765.78x = 79,700,705,360,077.16
  5. Step 5: Solve for x
    x = 79,700,705,360,077.16/12,068,765.78
  6. Step 6: Final answer
    x = 6,603,882.02

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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.