Home / 30,259,321.60-45,388,982.40-26,669,142.40

Finding the Fourth Proportional to 30,259,321.60, 45,388,982.40 and 26,669,142.40

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Solution

The fourth proportional to 30,259,321.60, 45,388,982.40 and 26,669,142.40 is: 40,003,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259,321.60 : 45,388,982.40 = 26,669,142.40 : x
  2. Step 2: Convert to fraction form
    30,259,321.60/45,388,982.40 = 26,669,142.40/x
  3. Step 3: Cross multiply
    30,259,321.60x = 45,388,982.40 × 26,669,142.40
  4. Step 4: Simplify right side
    30,259,321.60x = 1,210,485,235,016,693.75
  5. Step 5: Solve for x
    x = 1,210,485,235,016,693.75/30,259,321.60
  6. Step 6: Final answer
    x = 40,003,713.60

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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.