Home / 16,821,837.60-25,232,756.40-8,318,781.60

Finding the Fourth Proportional to 16,821,837.60, 25,232,756.40 and 8,318,781.60

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Solution

The fourth proportional to 16,821,837.60, 25,232,756.40 and 8,318,781.60 is: 12,478,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,837.60 : 25,232,756.40 = 8,318,781.60 : x
  2. Step 2: Convert to fraction form
    16,821,837.60/25,232,756.40 = 8,318,781.60/x
  3. Step 3: Cross multiply
    16,821,837.60x = 25,232,756.40 × 8,318,781.60
  4. Step 4: Simplify right side
    16,821,837.60x = 209,905,789,657,602.22
  5. Step 5: Solve for x
    x = 209,905,789,657,602.22/16,821,837.60
  6. Step 6: Final answer
    x = 12,478,172.40

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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.