Home / 28,691,608.32-39,594,430.62-16,301,717.51

Finding the Fourth Proportional to 28,691,608.32, 39,594,430.62 and 16,301,717.51

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Solution

The fourth proportional to 28,691,608.32, 39,594,430.62 and 16,301,717.51 is: 22,496,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691,608.32 : 39,594,430.62 = 16,301,717.51 : x
  2. Step 2: Convert to fraction form
    28,691,608.32/39,594,430.62 = 16,301,717.51/x
  3. Step 3: Cross multiply
    28,691,608.32x = 39,594,430.62 × 16,301,717.51
  4. Step 4: Simplify right side
    28,691,608.32x = 645,457,222,738,562
  5. Step 5: Solve for x
    x = 645,457,222,738,562/28,691,608.32
  6. Step 6: Final answer
    x = 22,496,376.49

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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.