Home / 12,895,725.34-17,796,216.54-7,015,487.68

Finding the Fourth Proportional to 12,895,725.34, 17,796,216.54 and 7,015,487.68

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Solution

The fourth proportional to 12,895,725.34, 17,796,216.54 and 7,015,487.68 is: 9,681,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,725.34 : 17,796,216.54 = 7,015,487.68 : x
  2. Step 2: Convert to fraction form
    12,895,725.34/17,796,216.54 = 7,015,487.68/x
  3. Step 3: Cross multiply
    12,895,725.34x = 17,796,216.54 × 7,015,487.68
  4. Step 4: Simplify right side
    12,895,725.34x = 124,849,137,886,982.22
  5. Step 5: Solve for x
    x = 124,849,137,886,982.22/12,895,725.34
  6. Step 6: Final answer
    x = 9,681,435.87

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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.