Home / 30,611,735.66-42,242,600.88-19,009,051.85

Finding the Fourth Proportional to 30,611,735.66, 42,242,600.88 and 19,009,051.85

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Solution

The fourth proportional to 30,611,735.66, 42,242,600.88 and 19,009,051.85 is: 26,231,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,735.66 : 42,242,600.88 = 19,009,051.85 : x
  2. Step 2: Convert to fraction form
    30,611,735.66/42,242,600.88 = 19,009,051.85/x
  3. Step 3: Cross multiply
    30,611,735.66x = 42,242,600.88 × 19,009,051.85
  4. Step 4: Simplify right side
    30,611,735.66x = 802,991,790,512,382.12
  5. Step 5: Solve for x
    x = 802,991,790,512,382.12/30,611,735.66
  6. Step 6: Final answer
    x = 26,231,501.52

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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.