Finding the Fourth Proportional to 13,046,756.49, 18,013,531.14 and 8,154,177.75
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Solution
The fourth proportional to 13,046,756.49, 18,013,531.14 and 8,154,177.75 is: 11,258,394.75
Step by Step Solution
- Step 1: Write the proportion equation
13,046,756.49 : 18,013,531.14 = 8,154,177.75 : x - Step 2: Convert to fraction form
13,046,756.49/18,013,531.14 = 8,154,177.75/x - Step 3: Cross multiply
13,046,756.49x = 18,013,531.14 × 8,154,177.75 - Step 4: Simplify right side
13,046,756.49x = 146,885,534,820,720.12 - Step 5: Solve for x
x = 146,885,534,820,720.12/13,046,756.49 - Step 6: Final answer
x = 11,258,394.75
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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.