Home / 15,450,396.63-21,320,554.10-8,574,883.35

Finding the Fourth Proportional to 15,450,396.63, 21,320,554.10 and 8,574,883.35

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Solution

The fourth proportional to 15,450,396.63, 21,320,554.10 and 8,574,883.35 is: 11,832,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450,396.63 : 21,320,554.10 = 8,574,883.35 : x
  2. Step 2: Convert to fraction form
    15,450,396.63/21,320,554.10 = 8,574,883.35/x
  3. Step 3: Cross multiply
    15,450,396.63x = 21,320,554.10 × 8,574,883.35
  4. Step 4: Simplify right side
    15,450,396.63x = 182,821,264,321,989.81
  5. Step 5: Solve for x
    x = 182,821,264,321,989.81/15,450,396.63
  6. Step 6: Final answer
    x = 11,832,787.77

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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.