Finding the Fourth Proportional to 13,454,266.66, 18,564,443.36 and 7,948,537.90
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Solution
The fourth proportional to 13,454,266.66, 18,564,443.36 and 7,948,537.90 is: 10,967,538.06
Step by Step Solution
- Step 1: Write the proportion equation
13,454,266.66 : 18,564,443.36 = 7,948,537.90 : x - Step 2: Convert to fraction form
13,454,266.66/18,564,443.36 = 7,948,537.90/x - Step 3: Cross multiply
13,454,266.66x = 18,564,443.36 × 7,948,537.90 - Step 4: Simplify right side
13,454,266.66x = 147,560,181,583,016.56 - Step 5: Solve for x
x = 147,560,181,583,016.56/13,454,266.66 - Step 6: Final answer
x = 10,967,538.06
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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.