Finding the Fourth Proportional to 9,947,235.21, 14,920,851.93 and 2,758,769.03
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Solution
The fourth proportional to 9,947,235.21, 14,920,851.93 and 2,758,769.03 is: 4,138,153.29
Step by Step Solution
- Step 1: Write the proportion equation
9,947,235.21 : 14,920,851.93 = 2,758,769.03 : x - Step 2: Convert to fraction form
9,947,235.21/14,920,851.93 = 2,758,769.03/x - Step 3: Cross multiply
9,947,235.21x = 14,920,851.93 × 2,758,769.03 - Step 4: Simplify right side
9,947,235.21x = 41,163,184,131,095.47 - Step 5: Solve for x
x = 41,163,184,131,095.47/9,947,235.21 - Step 6: Final answer
x = 4,138,153.29
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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.