Home / 12,775,330.20-19,166,015.54-4,139,416.12

Finding the Fourth Proportional to 12,775,330.20, 19,166,015.54 and 4,139,416.12

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Solution

The fourth proportional to 12,775,330.20, 19,166,015.54 and 4,139,416.12 is: 6,210,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,330.20 : 19,166,015.54 = 4,139,416.12 : x
  2. Step 2: Convert to fraction form
    12,775,330.20/19,166,015.54 = 4,139,416.12/x
  3. Step 3: Cross multiply
    12,775,330.20x = 19,166,015.54 × 4,139,416.12
  4. Step 4: Simplify right side
    12,775,330.20x = 79,336,113,682,446.50
  5. Step 5: Solve for x
    x = 79,336,113,682,446.50/12,775,330.20
  6. Step 6: Final answer
    x = 6,210,102.79

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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.