Finding the Fourth Proportional to 7,750,521.33, 11,615,153.18 and 4,905,555.09
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Solution
The fourth proportional to 7,750,521.33, 11,615,153.18 and 4,905,555.09 is: 7,351,605.31
Step by Step Solution
- Step 1: Write the proportion equation
7,750,521.33 : 11,615,153.18 = 4,905,555.09 : x - Step 2: Convert to fraction form
7,750,521.33/11,615,153.18 = 4,905,555.09/x - Step 3: Cross multiply
7,750,521.33x = 11,615,153.18 × 4,905,555.09 - Step 4: Simplify right side
7,750,521.33x = 56,978,773,778,750.91 - Step 5: Solve for x
x = 56,978,773,778,750.91/7,750,521.33 - Step 6: Final answer
x = 7,351,605.31
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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.