Home / 12,713,893.65-19,070,418.87-5,525,436.06

Finding the Fourth Proportional to 12,713,893.65, 19,070,418.87 and 5,525,436.06

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Solution

The fourth proportional to 12,713,893.65, 19,070,418.87 and 5,525,436.06 is: 8,287,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,893.65 : 19,070,418.87 = 5,525,436.06 : x
  2. Step 2: Convert to fraction form
    12,713,893.65/19,070,418.87 = 5,525,436.06/x
  3. Step 3: Cross multiply
    12,713,893.65x = 19,070,418.87 × 5,525,436.06
  4. Step 4: Simplify right side
    12,713,893.65x = 105,372,380,103,602.45
  5. Step 5: Solve for x
    x = 105,372,380,103,602.45/12,713,893.65
  6. Step 6: Final answer
    x = 8,287,970.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.