Home / 20,112,419.60-30,184,375.80-9,331,056.35

Finding the Fourth Proportional to 20,112,419.60, 30,184,375.80 and 9,331,056.35

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Solution

The fourth proportional to 20,112,419.60, 30,184,375.80 and 9,331,056.35 is: 14,003,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,419.60 : 30,184,375.80 = 9,331,056.35 : x
  2. Step 2: Convert to fraction form
    20,112,419.60/30,184,375.80 = 9,331,056.35/x
  3. Step 3: Cross multiply
    20,112,419.60x = 30,184,375.80 × 9,331,056.35
  4. Step 4: Simplify right side
    20,112,419.60x = 281,652,111,479,376.31
  5. Step 5: Solve for x
    x = 281,652,111,479,376.31/20,112,419.60
  6. Step 6: Final answer
    x = 14,003,889.99

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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.