Finding the Fourth Proportional to 10,369,032.45, 15,553,548.68 and 9,487,234.05
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Solution
The fourth proportional to 10,369,032.45, 15,553,548.68 and 9,487,234.05 is: 14,230,851.08
Step by Step Solution
- Step 1: Write the proportion equation
10,369,032.45 : 15,553,548.68 = 9,487,234.05 : x - Step 2: Convert to fraction form
10,369,032.45/15,553,548.68 = 9,487,234.05/x - Step 3: Cross multiply
10,369,032.45x = 15,553,548.68 × 9,487,234.05 - Step 4: Simplify right side
10,369,032.45x = 147,560,156,587,792.41 - Step 5: Solve for x
x = 147,560,156,587,792.41/10,369,032.45 - Step 6: Final answer
x = 14,230,851.08
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1.5x scale
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.