Home / 30,134,135.34-41,593,956.90-19,681,749.57

Finding the Fourth Proportional to 30,134,135.34, 41,593,956.90 and 19,681,749.57

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Solution

The fourth proportional to 30,134,135.34, 41,593,956.90 and 19,681,749.57 is: 27,166,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134,135.34 : 41,593,956.90 = 19,681,749.57 : x
  2. Step 2: Convert to fraction form
    30,134,135.34/41,593,956.90 = 19,681,749.57/x
  3. Step 3: Cross multiply
    30,134,135.34x = 41,593,956.90 × 19,681,749.57
  4. Step 4: Simplify right side
    30,134,135.34x = 818,641,843,331,173.50
  5. Step 5: Solve for x
    x = 818,641,843,331,173.50/30,134,135.34
  6. Step 6: Final answer
    x = 27,166,594.76

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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.