Home / 21,842,289.20-32,763,433.80-15,039,844.40

Finding the Fourth Proportional to 21,842,289.20, 32,763,433.80 and 15,039,844.40

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Solution

The fourth proportional to 21,842,289.20, 32,763,433.80 and 15,039,844.40 is: 22,559,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,289.20 : 32,763,433.80 = 15,039,844.40 : x
  2. Step 2: Convert to fraction form
    21,842,289.20/32,763,433.80 = 15,039,844.40/x
  3. Step 3: Cross multiply
    21,842,289.20x = 32,763,433.80 × 15,039,844.40
  4. Step 4: Simplify right side
    21,842,289.20x = 492,756,946,361,700.75
  5. Step 5: Solve for x
    x = 492,756,946,361,700.75/21,842,289.20
  6. Step 6: Final answer
    x = 22,559,766.60

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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.