Home / 12,808,861.60-19,166,636.40-9,449,629.60

Finding the Fourth Proportional to 12,808,861.60, 19,166,636.40 and 9,449,629.60

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Solution

The fourth proportional to 12,808,861.60, 19,166,636.40 and 9,449,629.60 is: 14,140,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,861.60 : 19,166,636.40 = 9,449,629.60 : x
  2. Step 2: Convert to fraction form
    12,808,861.60/19,166,636.40 = 9,449,629.60/x
  3. Step 3: Cross multiply
    12,808,861.60x = 19,166,636.40 × 9,449,629.60
  4. Step 4: Simplify right side
    12,808,861.60x = 181,117,614,657,877.41
  5. Step 5: Solve for x
    x = 181,117,614,657,877.41/12,808,861.60
  6. Step 6: Final answer
    x = 14,140,024.33

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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.