Home / 8,971,550.50-12,380,581.70-5,103,989.22

Finding the Fourth Proportional to 8,971,550.50, 12,380,581.70 and 5,103,989.22

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Solution

The fourth proportional to 8,971,550.50, 12,380,581.70 and 5,103,989.22 is: 7,043,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,550.50 : 12,380,581.70 = 5,103,989.22 : x
  2. Step 2: Convert to fraction form
    8,971,550.50/12,380,581.70 = 5,103,989.22/x
  3. Step 3: Cross multiply
    8,971,550.50x = 12,380,581.70 × 5,103,989.22
  4. Step 4: Simplify right side
    8,971,550.50x = 63,190,355,534,129.27
  5. Step 5: Solve for x
    x = 63,190,355,534,129.27/8,971,550.50
  6. Step 6: Final answer
    x = 7,043,415.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.