Home / 12,533,758.81-18,800,703.09-5,705,556.76

Finding the Fourth Proportional to 12,533,758.81, 18,800,703.09 and 5,705,556.76

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Solution

The fourth proportional to 12,533,758.81, 18,800,703.09 and 5,705,556.76 is: 8,558,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533,758.81 : 18,800,703.09 = 5,705,556.76 : x
  2. Step 2: Convert to fraction form
    12,533,758.81/18,800,703.09 = 5,705,556.76/x
  3. Step 3: Cross multiply
    12,533,758.81x = 18,800,703.09 × 5,705,556.76
  4. Step 4: Simplify right side
    12,533,758.81x = 107,268,478,579,374.61
  5. Step 5: Solve for x
    x = 107,268,478,579,374.61/12,533,758.81
  6. Step 6: Final answer
    x = 8,558,364.67

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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.