Finding the Fourth Proportional to 15,296,913.60, 22,924,375.20 and 12,462,561.60
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Solution
The fourth proportional to 15,296,913.60, 22,924,375.20 and 12,462,561.60 is: 18,676,737.38
Step by Step Solution
- Step 1: Write the proportion equation
15,296,913.60 : 22,924,375.20 = 12,462,561.60 : x - Step 2: Convert to fraction form
15,296,913.60/22,924,375.20 = 12,462,561.60/x - Step 3: Cross multiply
15,296,913.60x = 22,924,375.20 × 12,462,561.60 - Step 4: Simplify right side
15,296,913.60x = 285,696,438,071,512.31 - Step 5: Solve for x
x = 285,696,438,071,512.31/15,296,913.60 - Step 6: Final answer
x = 18,676,737.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.