Finding the Fourth Proportional to 10,359,908.70, 15,539,863.05 and 6,328,830.30
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Solution
The fourth proportional to 10,359,908.70, 15,539,863.05 and 6,328,830.30 is: 9,493,245.45
Step by Step Solution
- Step 1: Write the proportion equation
10,359,908.70 : 15,539,863.05 = 6,328,830.30 : x - Step 2: Convert to fraction form
10,359,908.70/15,539,863.05 = 6,328,830.30/x - Step 3: Cross multiply
10,359,908.70x = 15,539,863.05 × 6,328,830.30 - Step 4: Simplify right side
10,359,908.70x = 98,349,156,128,690.42 - Step 5: Solve for x
x = 98,349,156,128,690.42/10,359,908.70 - Step 6: Final answer
x = 9,493,245.45
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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.