Finding the Fourth Proportional to 11,889,363.18, 17,803,769.65 and 7,833,554.93
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Solution
The fourth proportional to 11,889,363.18, 17,803,769.65 and 7,833,554.93 is: 11,730,384.99
Step by Step Solution
- Step 1: Write the proportion equation
11,889,363.18 : 17,803,769.65 = 7,833,554.93 : x - Step 2: Convert to fraction form
11,889,363.18/17,803,769.65 = 7,833,554.93/x - Step 3: Cross multiply
11,889,363.18x = 17,803,769.65 × 7,833,554.93 - Step 4: Simplify right side
11,889,363.18x = 139,466,807,405,739.14 - Step 5: Solve for x
x = 139,466,807,405,739.14/11,889,363.18 - Step 6: Final answer
x = 11,730,384.99
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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.