Home / 13,187,739.70-19,781,609.55-4,089,819.70

Finding the Fourth Proportional to 13,187,739.70, 19,781,609.55 and 4,089,819.70

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Solution

The fourth proportional to 13,187,739.70, 19,781,609.55 and 4,089,819.70 is: 6,134,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,739.70 : 19,781,609.55 = 4,089,819.70 : x
  2. Step 2: Convert to fraction form
    13,187,739.70/19,781,609.55 = 4,089,819.70/x
  3. Step 3: Cross multiply
    13,187,739.70x = 19,781,609.55 × 4,089,819.70
  4. Step 4: Simplify right side
    13,187,739.70x = 80,903,216,435,298.14
  5. Step 5: Solve for x
    x = 80,903,216,435,298.14/13,187,739.70
  6. Step 6: Final answer
    x = 6,134,729.55

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1.5x scale

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.