Home / 30,378,663.12-41,928,530.94-23,023,667.37

Finding the Fourth Proportional to 30,378,663.12, 41,928,530.94 and 23,023,667.37

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Solution

The fourth proportional to 30,378,663.12, 41,928,530.94 and 23,023,667.37 is: 31,777,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,663.12 : 41,928,530.94 = 23,023,667.37 : x
  2. Step 2: Convert to fraction form
    30,378,663.12/41,928,530.94 = 23,023,667.37/x
  3. Step 3: Cross multiply
    30,378,663.12x = 41,928,530.94 × 23,023,667.37
  4. Step 4: Simplify right side
    30,378,663.12x = 965,348,549,675,313.38
  5. Step 5: Solve for x
    x = 965,348,549,675,313.38/30,378,663.12
  6. Step 6: Final answer
    x = 31,777,189.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.