Finding the Fourth Proportional to 7,776,802.80, 11,651,207.40 and 6,349,129.20
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Solution
The fourth proportional to 7,776,802.80, 11,651,207.40 and 6,349,129.20 is: 9,512,266.55
Step by Step Solution
- Step 1: Write the proportion equation
7,776,802.80 : 11,651,207.40 = 6,349,129.20 : x - Step 2: Convert to fraction form
7,776,802.80/11,651,207.40 = 6,349,129.20/x - Step 3: Cross multiply
7,776,802.80x = 11,651,207.40 × 6,349,129.20 - Step 4: Simplify right side
7,776,802.80x = 73,975,021,118,596.08 - Step 5: Solve for x
x = 73,975,021,118,596.08/7,776,802.80 - Step 6: Final answer
x = 9,512,266.55
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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.