Home / 12,910,998.30-19,361,971.14-3,810,667.74

Finding the Fourth Proportional to 12,910,998.30, 19,361,971.14 and 3,810,667.74

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Solution

The fourth proportional to 12,910,998.30, 19,361,971.14 and 3,810,667.74 is: 5,714,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910,998.30 : 19,361,971.14 = 3,810,667.74 : x
  2. Step 2: Convert to fraction form
    12,910,998.30/19,361,971.14 = 3,810,667.74/x
  3. Step 3: Cross multiply
    12,910,998.30x = 19,361,971.14 × 3,810,667.74
  4. Step 4: Simplify right side
    12,910,998.30x = 73,782,038,806,009.03
  5. Step 5: Solve for x
    x = 73,782,038,806,009.03/12,910,998.30
  6. Step 6: Final answer
    x = 5,714,665.67

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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.