Home / 13,392,830.40-20,089,245.60-7,101,374.40

Finding the Fourth Proportional to 13,392,830.40, 20,089,245.60 and 7,101,374.40

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Solution

The fourth proportional to 13,392,830.40, 20,089,245.60 and 7,101,374.40 is: 10,652,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,830.40 : 20,089,245.60 = 7,101,374.40 : x
  2. Step 2: Convert to fraction form
    13,392,830.40/20,089,245.60 = 7,101,374.40/x
  3. Step 3: Cross multiply
    13,392,830.40x = 20,089,245.60 × 7,101,374.40
  4. Step 4: Simplify right side
    13,392,830.40x = 142,661,254,419,152.66
  5. Step 5: Solve for x
    x = 142,661,254,419,152.66/13,392,830.40
  6. Step 6: Final answer
    x = 10,652,061.60

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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.