Finding the Fourth Proportional to 10,385,592.08, 15,564,462.80 and 8,082,865.60
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Solution
The fourth proportional to 10,385,592.08, 15,564,462.80 and 8,082,865.60 is: 12,113,460.65
Step by Step Solution
- Step 1: Write the proportion equation
10,385,592.08 : 15,564,462.80 = 8,082,865.60 : x - Step 2: Convert to fraction form
10,385,592.08/15,564,462.80 = 8,082,865.60/x - Step 3: Cross multiply
10,385,592.08x = 15,564,462.80 × 8,082,865.60 - Step 4: Simplify right side
10,385,592.08x = 125,805,460,948,599.69 - Step 5: Solve for x
x = 125,805,460,948,599.69/10,385,592.08 - Step 6: Final answer
x = 12,113,460.65
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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.