Home / 12,936,778.60-19,407,500.70-5,364,509.80

Finding the Fourth Proportional to 12,936,778.60, 19,407,500.70 and 5,364,509.80

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Solution

The fourth proportional to 12,936,778.60, 19,407,500.70 and 5,364,509.80 is: 8,047,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,778.60 : 19,407,500.70 = 5,364,509.80 : x
  2. Step 2: Convert to fraction form
    12,936,778.60/19,407,500.70 = 5,364,509.80/x
  3. Step 3: Cross multiply
    12,936,778.60x = 19,407,500.70 × 5,364,509.80
  4. Step 4: Simplify right side
    12,936,778.60x = 104,111,727,698,656.86
  5. Step 5: Solve for x
    x = 104,111,727,698,656.86/12,936,778.60
  6. Step 6: Final answer
    x = 8,047,732.05

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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.