Home / 28,565,670.93-39,432,688.21-19,285,806.16

Finding the Fourth Proportional to 28,565,670.93, 39,432,688.21 and 19,285,806.16

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Solution

The fourth proportional to 28,565,670.93, 39,432,688.21 and 19,285,806.16 is: 26,622,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565,670.93 : 39,432,688.21 = 19,285,806.16 : x
  2. Step 2: Convert to fraction form
    28,565,670.93/39,432,688.21 = 19,285,806.16/x
  3. Step 3: Cross multiply
    28,565,670.93x = 39,432,688.21 × 19,285,806.16
  4. Step 4: Simplify right side
    28,565,670.93x = 760,491,181,185,777.38
  5. Step 5: Solve for x
    x = 760,491,181,185,777.38/28,565,670.93
  6. Step 6: Final answer
    x = 26,622,556.25

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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.