Finding the Fourth Proportional to 13,484,191.78, 20,226,474.51 and 4,386,336.99
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Solution
The fourth proportional to 13,484,191.78, 20,226,474.51 and 4,386,336.99 is: 6,579,566.26
Step by Step Solution
- Step 1: Write the proportion equation
13,484,191.78 : 20,226,474.51 = 4,386,336.99 : x - Step 2: Convert to fraction form
13,484,191.78/20,226,474.51 = 4,386,336.99/x - Step 3: Cross multiply
13,484,191.78x = 20,226,474.51 × 4,386,336.99 - Step 4: Simplify right side
13,484,191.78x = 88,720,133,320,505.14 - Step 5: Solve for x
x = 88,720,133,320,505.14/13,484,191.78 - Step 6: Final answer
x = 6,579,566.26
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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.