Finding the Fourth Proportional to 19,800,709.64, 29,701,088.14 and 5,423,901.38
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Solution
The fourth proportional to 19,800,709.64, 29,701,088.14 and 5,423,901.38 is: 8,135,858.56
Step by Step Solution
- Step 1: Write the proportion equation
19,800,709.64 : 29,701,088.14 = 5,423,901.38 : x - Step 2: Convert to fraction form
19,800,709.64/29,701,088.14 = 5,423,901.38/x - Step 3: Cross multiply
19,800,709.64x = 29,701,088.14 × 5,423,901.38 - Step 4: Simplify right side
19,800,709.64x = 161,095,772,950,047.62 - Step 5: Solve for x
x = 161,095,772,950,047.62/19,800,709.64 - Step 6: Final answer
x = 8,135,858.56
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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.