Finding the Fourth Proportional to 8,574,972.84, 12,845,643.30 and 4,973,173.32
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Solution
The fourth proportional to 8,574,972.84, 12,845,643.30 and 4,973,173.32 is: 7,450,007.33
Step by Step Solution
- Step 1: Write the proportion equation
8,574,972.84 : 12,845,643.30 = 4,973,173.32 : x - Step 2: Convert to fraction form
8,574,972.84/12,845,643.30 = 4,973,173.32/x - Step 3: Cross multiply
8,574,972.84x = 12,845,643.30 × 4,973,173.32 - Step 4: Simplify right side
8,574,972.84x = 63,883,610,537,796.77 - Step 5: Solve for x
x = 63,883,610,537,796.77/8,574,972.84 - Step 6: Final answer
x = 7,450,007.33
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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.