Home / 8,971,313.60-13,457,161.02-3,214,422.20

Finding the Fourth Proportional to 8,971,313.60, 13,457,161.02 and 3,214,422.20

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Solution

The fourth proportional to 8,971,313.60, 13,457,161.02 and 3,214,422.20 is: 4,821,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,313.60 : 13,457,161.02 = 3,214,422.20 : x
  2. Step 2: Convert to fraction form
    8,971,313.60/13,457,161.02 = 3,214,422.20/x
  3. Step 3: Cross multiply
    8,971,313.60x = 13,457,161.02 × 3,214,422.20
  4. Step 4: Simplify right side
    8,971,313.60x = 43,256,997,131,662.65
  5. Step 5: Solve for x
    x = 43,256,997,131,662.65/8,971,313.60
  6. Step 6: Final answer
    x = 4,821,701.60

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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.