Finding the Fourth Proportional to 7,942,064.84, 11,911,726.13 and 2,106,291.05
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Solution
The fourth proportional to 7,942,064.84, 11,911,726.13 and 2,106,291.05 is: 3,159,072.94
Step by Step Solution
- Step 1: Write the proportion equation
7,942,064.84 : 11,911,726.13 = 2,106,291.05 : x - Step 2: Convert to fraction form
7,942,064.84/11,911,726.13 = 2,106,291.05/x - Step 3: Cross multiply
7,942,064.84x = 11,911,726.13 × 2,106,291.05 - Step 4: Simplify right side
7,942,064.84x = 25,089,562,137,670.14 - Step 5: Solve for x
x = 25,089,562,137,670.14/7,942,064.84 - Step 6: Final answer
x = 3,159,072.94
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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.