Home / 28,067,081.80-42,100,622.70-19,457,737.60

Finding the Fourth Proportional to 28,067,081.80, 42,100,622.70 and 19,457,737.60

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Solution

The fourth proportional to 28,067,081.80, 42,100,622.70 and 19,457,737.60 is: 29,186,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,081.80 : 42,100,622.70 = 19,457,737.60 : x
  2. Step 2: Convert to fraction form
    28,067,081.80/42,100,622.70 = 19,457,737.60/x
  3. Step 3: Cross multiply
    28,067,081.80x = 42,100,622.70 × 19,457,737.60
  4. Step 4: Simplify right side
    28,067,081.80x = 819,182,869,293,203.62
  5. Step 5: Solve for x
    x = 819,182,869,293,203.62/28,067,081.80
  6. Step 6: Final answer
    x = 29,186,606.40

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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.