Home / 8,271,402.70-12,407,492.85-2,591,812.30

Finding the Fourth Proportional to 8,271,402.70, 12,407,492.85 and 2,591,812.30

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Solution

The fourth proportional to 8,271,402.70, 12,407,492.85 and 2,591,812.30 is: 3,887,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,402.70 : 12,407,492.85 = 2,591,812.30 : x
  2. Step 2: Convert to fraction form
    8,271,402.70/12,407,492.85 = 2,591,812.30/x
  3. Step 3: Cross multiply
    8,271,402.70x = 12,407,492.85 × 2,591,812.30
  4. Step 4: Simplify right side
    8,271,402.70x = 32,157,892,580,792.05
  5. Step 5: Solve for x
    x = 32,157,892,580,792.05/8,271,402.70
  6. Step 6: Final answer
    x = 3,887,840.28

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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.