Home / 19,303,245.96-28,959,770.16-8,935,939.32

Finding the Fourth Proportional to 19,303,245.96, 28,959,770.16 and 8,935,939.32

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Solution

The fourth proportional to 19,303,245.96, 28,959,770.16 and 8,935,939.32 is: 13,406,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303,245.96 : 28,959,770.16 = 8,935,939.32 : x
  2. Step 2: Convert to fraction form
    19,303,245.96/28,959,770.16 = 8,935,939.32/x
  3. Step 3: Cross multiply
    19,303,245.96x = 28,959,770.16 × 8,935,939.32
  4. Step 4: Simplify right side
    19,303,245.96x = 258,782,748,870,906.69
  5. Step 5: Solve for x
    x = 258,782,748,870,906.69/19,303,245.96
  6. Step 6: Final answer
    x = 13,406,177.87

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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.