Finding the Fourth Proportional to 11,075,787.24, 15,285,353.63 and 6,181,964.07
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Solution
The fourth proportional to 11,075,787.24, 15,285,353.63 and 6,181,964.07 is: 8,531,538.65
Step by Step Solution
- Step 1: Write the proportion equation
11,075,787.24 : 15,285,353.63 = 6,181,964.07 : x - Step 2: Convert to fraction form
11,075,787.24/15,285,353.63 = 6,181,964.07/x - Step 3: Cross multiply
11,075,787.24x = 15,285,353.63 × 6,181,964.07 - Step 4: Simplify right side
11,075,787.24x = 94,493,506,937,904.08 - Step 5: Solve for x
x = 94,493,506,937,904.08/11,075,787.24 - Step 6: Final answer
x = 8,531,538.65
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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.