Home / 14,629,407.76-20,188,582.34-8,103,457.60

Finding the Fourth Proportional to 14,629,407.76, 20,188,582.34 and 8,103,457.60

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Solution

The fourth proportional to 14,629,407.76, 20,188,582.34 and 8,103,457.60 is: 11,182,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629,407.76 : 20,188,582.34 = 8,103,457.60 : x
  2. Step 2: Convert to fraction form
    14,629,407.76/20,188,582.34 = 8,103,457.60/x
  3. Step 3: Cross multiply
    14,629,407.76x = 20,188,582.34 × 8,103,457.60
  4. Step 4: Simplify right side
    14,629,407.76x = 163,597,320,966,086
  5. Step 5: Solve for x
    x = 163,597,320,966,086/14,629,407.76
  6. Step 6: Final answer
    x = 11,182,771.28

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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.