Home / 27,089,969.60-40,701,309.60-20,371,505.60

Finding the Fourth Proportional to 27,089,969.60, 40,701,309.60 and 20,371,505.60

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Solution

The fourth proportional to 27,089,969.60, 40,701,309.60 and 20,371,505.60 is: 30,607,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089,969.60 : 40,701,309.60 = 20,371,505.60 : x
  2. Step 2: Convert to fraction form
    27,089,969.60/40,701,309.60 = 20,371,505.60/x
  3. Step 3: Cross multiply
    27,089,969.60x = 40,701,309.60 × 20,371,505.60
  4. Step 4: Simplify right side
    27,089,969.60x = 829,146,956,443,733.88
  5. Step 5: Solve for x
    x = 829,146,956,443,733.88/27,089,969.60
  6. Step 6: Final answer
    x = 30,607,157.14

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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.