Home / 28,528,014.60-39,356,112.74-19,232,188.88

Finding the Fourth Proportional to 28,528,014.60, 39,356,112.74 and 19,232,188.88

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Solution

The fourth proportional to 28,528,014.60, 39,356,112.74 and 19,232,188.88 is: 26,531,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528,014.60 : 39,356,112.74 = 19,232,188.88 : x
  2. Step 2: Convert to fraction form
    28,528,014.60/39,356,112.74 = 19,232,188.88/x
  3. Step 3: Cross multiply
    28,528,014.60x = 39,356,112.74 × 19,232,188.88
  4. Step 4: Simplify right side
    28,528,014.60x = 756,904,193,505,312.75
  5. Step 5: Solve for x
    x = 756,904,193,505,312.75/28,528,014.60
  6. Step 6: Final answer
    x = 26,531,961.80

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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.