Finding the Fourth Proportional to 11,989,727.48, 16,545,812.24 and 6,483,089.15
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Solution
The fourth proportional to 11,989,727.48, 16,545,812.24 and 6,483,089.15 is: 8,946,656.70
Step by Step Solution
- Step 1: Write the proportion equation
11,989,727.48 : 16,545,812.24 = 6,483,089.15 : x - Step 2: Convert to fraction form
11,989,727.48/16,545,812.24 = 6,483,089.15/x - Step 3: Cross multiply
11,989,727.48x = 16,545,812.24 × 6,483,089.15 - Step 4: Simplify right side
11,989,727.48x = 107,267,975,695,936.67 - Step 5: Solve for x
x = 107,267,975,695,936.67/11,989,727.48 - Step 6: Final answer
x = 8,946,656.70
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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.