Finding the Fourth Proportional to 18,470,331.12, 27,711,476.91 and 8,884,462.26
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Solution
The fourth proportional to 18,470,331.12, 27,711,476.91 and 8,884,462.26 is: 13,329,569.96
Step by Step Solution
- Step 1: Write the proportion equation
18,470,331.12 : 27,711,476.91 = 8,884,462.26 : x - Step 2: Convert to fraction form
18,470,331.12/27,711,476.91 = 8,884,462.26/x - Step 3: Cross multiply
18,470,331.12x = 27,711,476.91 × 8,884,462.26 - Step 4: Simplify right side
18,470,331.12x = 246,201,570,775,756.41 - Step 5: Solve for x
x = 246,201,570,775,756.41/18,470,331.12 - Step 6: Final answer
x = 13,329,569.96
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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.