Home / 8,089,869.21-12,134,390.95-2,971,906.48

Finding the Fourth Proportional to 8,089,869.21, 12,134,390.95 and 2,971,906.48

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Solution

The fourth proportional to 8,089,869.21, 12,134,390.95 and 2,971,906.48 is: 4,457,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089,869.21 : 12,134,390.95 = 2,971,906.48 : x
  2. Step 2: Convert to fraction form
    8,089,869.21/12,134,390.95 = 2,971,906.48/x
  3. Step 3: Cross multiply
    8,089,869.21x = 12,134,390.95 × 2,971,906.48
  4. Step 4: Simplify right side
    8,089,869.21x = 36,062,275,095,158.35
  5. Step 5: Solve for x
    x = 36,062,275,095,158.35/8,089,869.21
  6. Step 6: Final answer
    x = 4,457,708.05

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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.