Home / 30,611,287.60-42,241,982.58-19,008,601.96

Finding the Fourth Proportional to 30,611,287.60, 42,241,982.58 and 19,008,601.96

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Solution

The fourth proportional to 30,611,287.60, 42,241,982.58 and 19,008,601.96 is: 26,230,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,287.60 : 42,241,982.58 = 19,008,601.96 : x
  2. Step 2: Convert to fraction form
    30,611,287.60/42,241,982.58 = 19,008,601.96/x
  3. Step 3: Cross multiply
    30,611,287.60x = 42,241,982.58 × 19,008,601.96
  4. Step 4: Simplify right side
    30,611,287.60x = 802,961,032,864,473.88
  5. Step 5: Solve for x
    x = 802,961,032,864,473.88/30,611,287.60
  6. Step 6: Final answer
    x = 26,230,880.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.