Finding the Fourth Proportional to 19,824,739.02, 29,739,946.14 and 8,758,136.34
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Solution
The fourth proportional to 19,824,739.02, 29,739,946.14 and 8,758,136.34 is: 13,138,458.10
Step by Step Solution
- Step 1: Write the proportion equation
19,824,739.02 : 29,739,946.14 = 8,758,136.34 : x - Step 2: Convert to fraction form
19,824,739.02/29,739,946.14 = 8,758,136.34/x - Step 3: Cross multiply
19,824,739.02x = 29,739,946.14 × 8,758,136.34 - Step 4: Simplify right side
19,824,739.02x = 260,466,503,038,376.72 - Step 5: Solve for x
x = 260,466,503,038,376.72/19,824,739.02 - Step 6: Final answer
x = 13,138,458.10
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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.