Home / 21,030,295.20-31,536,111.60-9,664,893.60

Finding the Fourth Proportional to 21,030,295.20, 31,536,111.60 and 9,664,893.60

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Solution

The fourth proportional to 21,030,295.20, 31,536,111.60 and 9,664,893.60 is: 14,493,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,295.20 : 31,536,111.60 = 9,664,893.60 : x
  2. Step 2: Convert to fraction form
    21,030,295.20/31,536,111.60 = 9,664,893.60/x
  3. Step 3: Cross multiply
    21,030,295.20x = 31,536,111.60 × 9,664,893.60
  4. Step 4: Simplify right side
    21,030,295.20x = 304,793,163,171,725.75
  5. Step 5: Solve for x
    x = 304,793,163,171,725.75/21,030,295.20
  6. Step 6: Final answer
    x = 14,493,052.06

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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.