Home / 13,702,885.65-18,908,456.54-7,589,783.25

Finding the Fourth Proportional to 13,702,885.65, 18,908,456.54 and 7,589,783.25

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Solution

The fourth proportional to 13,702,885.65, 18,908,456.54 and 7,589,783.25 is: 10,473,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,885.65 : 18,908,456.54 = 7,589,783.25 : x
  2. Step 2: Convert to fraction form
    13,702,885.65/18,908,456.54 = 7,589,783.25/x
  3. Step 3: Cross multiply
    13,702,885.65x = 18,908,456.54 × 7,589,783.25
  4. Step 4: Simplify right side
    13,702,885.65x = 143,511,086,692,696.03
  5. Step 5: Solve for x
    x = 143,511,086,692,696.03/13,702,885.65
  6. Step 6: Final answer
    x = 10,473,055.85

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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.