Home / 15,633,763.96-21,574,596.31-8,664,891.43

Finding the Fourth Proportional to 15,633,763.96, 21,574,596.31 and 8,664,891.43

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Solution

The fourth proportional to 15,633,763.96, 21,574,596.31 and 8,664,891.43 is: 11,957,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633,763.96 : 21,574,596.31 = 8,664,891.43 : x
  2. Step 2: Convert to fraction form
    15,633,763.96/21,574,596.31 = 8,664,891.43/x
  3. Step 3: Cross multiply
    15,633,763.96x = 21,574,596.31 × 8,664,891.43
  4. Step 4: Simplify right side
    15,633,763.96x = 186,941,534,677,534.66
  5. Step 5: Solve for x
    x = 186,941,534,677,534.66/15,633,763.96
  6. Step 6: Final answer
    x = 11,957,551.31

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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.