Home / 20,628,841.60-30,880,276.80-16,093,878.40

Finding the Fourth Proportional to 20,628,841.60, 30,880,276.80 and 16,093,878.40

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Solution

The fourth proportional to 20,628,841.60, 30,880,276.80 and 16,093,878.40 is: 24,091,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628,841.60 : 30,880,276.80 = 16,093,878.40 : x
  2. Step 2: Convert to fraction form
    20,628,841.60/30,880,276.80 = 16,093,878.40/x
  3. Step 3: Cross multiply
    20,628,841.60x = 30,880,276.80 × 16,093,878.40
  4. Step 4: Simplify right side
    20,628,841.60x = 496,983,419,777,541.12
  5. Step 5: Solve for x
    x = 496,983,419,777,541.12/20,628,841.60
  6. Step 6: Final answer
    x = 24,091,678.51

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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.