Home / 20,515,269.60-30,772,904.40-8,546,450.40

Finding the Fourth Proportional to 20,515,269.60, 30,772,904.40 and 8,546,450.40

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Solution

The fourth proportional to 20,515,269.60, 30,772,904.40 and 8,546,450.40 is: 12,819,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,515,269.60 : 30,772,904.40 = 8,546,450.40 : x
  2. Step 2: Convert to fraction form
    20,515,269.60/30,772,904.40 = 8,546,450.40/x
  3. Step 3: Cross multiply
    20,515,269.60x = 30,772,904.40 × 8,546,450.40
  4. Step 4: Simplify right side
    20,515,269.60x = 262,999,101,118,541.75
  5. Step 5: Solve for x
    x = 262,999,101,118,541.75/20,515,269.60
  6. Step 6: Final answer
    x = 12,819,675.60

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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.