Home / 15,907,968.32-21,953,716.67-9,381,872.84

Finding the Fourth Proportional to 15,907,968.32, 21,953,716.67 and 9,381,872.84

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Solution

The fourth proportional to 15,907,968.32, 21,953,716.67 and 9,381,872.84 is: 12,947,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,968.32 : 21,953,716.67 = 9,381,872.84 : x
  2. Step 2: Convert to fraction form
    15,907,968.32/21,953,716.67 = 9,381,872.84/x
  3. Step 3: Cross multiply
    15,907,968.32x = 21,953,716.67 × 9,381,872.84
  4. Step 4: Simplify right side
    15,907,968.32x = 205,966,978,077,014.34
  5. Step 5: Solve for x
    x = 205,966,978,077,014.34/15,907,968.32
  6. Step 6: Final answer
    x = 12,947,409.37

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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.