Home / 20,257,088.96-27,954,783.72-11,089,731.71

Finding the Fourth Proportional to 20,257,088.96, 27,954,783.72 and 11,089,731.71

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Solution

The fourth proportional to 20,257,088.96, 27,954,783.72 and 11,089,731.71 is: 15,303,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,088.96 : 27,954,783.72 = 11,089,731.71 : x
  2. Step 2: Convert to fraction form
    20,257,088.96/27,954,783.72 = 11,089,731.71/x
  3. Step 3: Cross multiply
    20,257,088.96x = 27,954,783.72 × 11,089,731.71
  4. Step 4: Simplify right side
    20,257,088.96x = 310,011,051,410,427.12
  5. Step 5: Solve for x
    x = 310,011,051,410,427.12/20,257,088.96
  6. Step 6: Final answer
    x = 15,303,830.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.