Home / 43,508,723.70-65,263,085.55-13,212,650.10

Finding the Fourth Proportional to 43,508,723.70, 65,263,085.55 and 13,212,650.10

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Solution

The fourth proportional to 43,508,723.70, 65,263,085.55 and 13,212,650.10 is: 19,818,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508,723.70 : 65,263,085.55 = 13,212,650.10 : x
  2. Step 2: Convert to fraction form
    43,508,723.70/65,263,085.55 = 13,212,650.10/x
  3. Step 3: Cross multiply
    43,508,723.70x = 65,263,085.55 × 13,212,650.10
  4. Step 4: Simplify right side
    43,508,723.70x = 862,298,313,818,516
  5. Step 5: Solve for x
    x = 862,298,313,818,516/43,508,723.70
  6. Step 6: Final answer
    x = 19,818,975.15

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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.