Home / 20,736,057.60-31,104,086.40-7,268,025.60

Finding the Fourth Proportional to 20,736,057.60, 31,104,086.40 and 7,268,025.60

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Solution

The fourth proportional to 20,736,057.60, 31,104,086.40 and 7,268,025.60 is: 10,902,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,057.60 : 31,104,086.40 = 7,268,025.60 : x
  2. Step 2: Convert to fraction form
    20,736,057.60/31,104,086.40 = 7,268,025.60/x
  3. Step 3: Cross multiply
    20,736,057.60x = 31,104,086.40 × 7,268,025.60
  4. Step 4: Simplify right side
    20,736,057.60x = 226,065,296,219,811.81
  5. Step 5: Solve for x
    x = 226,065,296,219,811.81/20,736,057.60
  6. Step 6: Final answer
    x = 10,902,038.40

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1.5x scale

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.