Home / 15,633,758.87-21,574,589.30-8,664,886.34

Finding the Fourth Proportional to 15,633,758.87, 21,574,589.30 and 8,664,886.34

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Solution

The fourth proportional to 15,633,758.87, 21,574,589.30 and 8,664,886.34 is: 11,957,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633,758.87 : 21,574,589.30 = 8,664,886.34 : x
  2. Step 2: Convert to fraction form
    15,633,758.87/21,574,589.30 = 8,664,886.34/x
  3. Step 3: Cross multiply
    15,633,758.87x = 21,574,589.30 × 8,664,886.34
  4. Step 4: Simplify right side
    15,633,758.87x = 186,941,364,116,680.16
  5. Step 5: Solve for x
    x = 186,941,364,116,680.16/15,633,758.87
  6. Step 6: Final answer
    x = 11,957,544.29

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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.