Home / 28,565,683.25-39,432,705.20-19,285,818.48

Finding the Fourth Proportional to 28,565,683.25, 39,432,705.20 and 19,285,818.48

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Solution

The fourth proportional to 28,565,683.25, 39,432,705.20 and 19,285,818.48 is: 26,622,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565,683.25 : 39,432,705.20 = 19,285,818.48 : x
  2. Step 2: Convert to fraction form
    28,565,683.25/39,432,705.20 = 19,285,818.48/x
  3. Step 3: Cross multiply
    28,565,683.25x = 39,432,705.20 × 19,285,818.48
  4. Step 4: Simplify right side
    28,565,683.25x = 760,491,994,566,123
  5. Step 5: Solve for x
    x = 760,491,994,566,123/28,565,683.25
  6. Step 6: Final answer
    x = 26,622,573.25

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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.