Home / 28,292,474.13-42,455,179.32-11,896,573.41

Finding the Fourth Proportional to 28,292,474.13, 42,455,179.32 and 11,896,573.41

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Solution

The fourth proportional to 28,292,474.13, 42,455,179.32 and 11,896,573.41 is: 17,851,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292,474.13 : 42,455,179.32 = 11,896,573.41 : x
  2. Step 2: Convert to fraction form
    28,292,474.13/42,455,179.32 = 11,896,573.41/x
  3. Step 3: Cross multiply
    28,292,474.13x = 42,455,179.32 × 11,896,573.41
  4. Step 4: Simplify right side
    28,292,474.13x = 505,071,157,415,093.88
  5. Step 5: Solve for x
    x = 505,071,157,415,093.88/28,292,474.13
  6. Step 6: Final answer
    x = 17,851,784.72

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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.