Finding the Fourth Proportional to 11,236,869.23, 15,517,358.28 and 8,270,681.03
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Solution
The fourth proportional to 11,236,869.23, 15,517,358.28 and 8,270,681.03 is: 11,421,252.49
Step by Step Solution
- Step 1: Write the proportion equation
11,236,869.23 : 15,517,358.28 = 8,270,681.03 : x - Step 2: Convert to fraction form
11,236,869.23/15,517,358.28 = 8,270,681.03/x - Step 3: Cross multiply
11,236,869.23x = 15,517,358.28 × 8,270,681.03 - Step 4: Simplify right side
11,236,869.23x = 128,339,120,684,522.64 - Step 5: Solve for x
x = 128,339,120,684,522.64/11,236,869.23 - Step 6: Final answer
x = 11,421,252.49
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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.