Home / 21,805,269.60-32,707,904.40-20,388,093.60

Finding the Fourth Proportional to 21,805,269.60, 32,707,904.40 and 20,388,093.60

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Solution

The fourth proportional to 21,805,269.60, 32,707,904.40 and 20,388,093.60 is: 30,582,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,269.60 : 32,707,904.40 = 20,388,093.60 : x
  2. Step 2: Convert to fraction form
    21,805,269.60/32,707,904.40 = 20,388,093.60/x
  3. Step 3: Cross multiply
    21,805,269.60x = 32,707,904.40 × 20,388,093.60
  4. Step 4: Simplify right side
    21,805,269.60x = 666,851,816,367,051.88
  5. Step 5: Solve for x
    x = 666,851,816,367,051.88/21,805,269.60
  6. Step 6: Final answer
    x = 30,582,140.40

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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.