Home / 20,628,849.60-30,880,288.80-16,093,886.40

Finding the Fourth Proportional to 20,628,849.60, 30,880,288.80 and 16,093,886.40

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Solution

The fourth proportional to 20,628,849.60, 30,880,288.80 and 16,093,886.40 is: 24,091,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628,849.60 : 30,880,288.80 = 16,093,886.40 : x
  2. Step 2: Convert to fraction form
    20,628,849.60/30,880,288.80 = 16,093,886.40/x
  3. Step 3: Cross multiply
    20,628,849.60x = 30,880,288.80 × 16,093,886.40
  4. Step 4: Simplify right side
    20,628,849.60x = 496,983,859,946,392.31
  5. Step 5: Solve for x
    x = 496,983,859,946,392.31/20,628,849.60
  6. Step 6: Final answer
    x = 24,091,690.50

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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.