Finding the Fourth Proportional to 32,642,194.68, 48,961,521.12 and 9,921,320.40
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Solution
The fourth proportional to 32,642,194.68, 48,961,521.12 and 9,921,320.40 is: 14,881,442.35
Step by Step Solution
- Step 1: Write the proportion equation
32,642,194.68 : 48,961,521.12 = 9,921,320.40 : x - Step 2: Convert to fraction form
32,642,194.68/48,961,521.12 = 9,921,320.40/x - Step 3: Cross multiply
32,642,194.68x = 48,961,521.12 × 9,921,320.40 - Step 4: Simplify right side
32,642,194.68x = 485,762,938,302,886.81 - Step 5: Solve for x
x = 485,762,938,302,886.81/32,642,194.68 - Step 6: Final answer
x = 14,881,442.35
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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.