Home / 21,393,022.20-32,089,533.30-20,347,927.80

Finding the Fourth Proportional to 21,393,022.20, 32,089,533.30 and 20,347,927.80

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Solution

The fourth proportional to 21,393,022.20, 32,089,533.30 and 20,347,927.80 is: 30,521,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393,022.20 : 32,089,533.30 = 20,347,927.80 : x
  2. Step 2: Convert to fraction form
    21,393,022.20/32,089,533.30 = 20,347,927.80/x
  3. Step 3: Cross multiply
    21,393,022.20x = 32,089,533.30 × 20,347,927.80
  4. Step 4: Simplify right side
    21,393,022.20x = 652,955,506,724,095.75
  5. Step 5: Solve for x
    x = 652,955,506,724,095.75/21,393,022.20
  6. Step 6: Final answer
    x = 30,521,891.70

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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.