Home / 20,112,051.60-30,183,823.80-9,330,688.35

Finding the Fourth Proportional to 20,112,051.60, 30,183,823.80 and 9,330,688.35

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Solution

The fourth proportional to 20,112,051.60, 30,183,823.80 and 9,330,688.35 is: 14,003,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,051.60 : 30,183,823.80 = 9,330,688.35 : x
  2. Step 2: Convert to fraction form
    20,112,051.60/30,183,823.80 = 9,330,688.35/x
  3. Step 3: Cross multiply
    20,112,051.60x = 30,183,823.80 × 9,330,688.35
  4. Step 4: Simplify right side
    20,112,051.60x = 281,635,853,089,112.75
  5. Step 5: Solve for x
    x = 281,635,853,089,112.75/20,112,051.60
  6. Step 6: Final answer
    x = 14,003,337.83

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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.