Finding the Fourth Proportional to 10,368,049.30, 15,552,073.95 and 5,814,423.70
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Solution
The fourth proportional to 10,368,049.30, 15,552,073.95 and 5,814,423.70 is: 8,721,635.55
Step by Step Solution
- Step 1: Write the proportion equation
10,368,049.30 : 15,552,073.95 = 5,814,423.70 : x - Step 2: Convert to fraction form
10,368,049.30/15,552,073.95 = 5,814,423.70/x - Step 3: Cross multiply
10,368,049.30x = 15,552,073.95 × 5,814,423.70 - Step 4: Simplify right side
10,368,049.30x = 90,426,347,359,032.61 - Step 5: Solve for x
x = 90,426,347,359,032.61/10,368,049.30 - Step 6: Final answer
x = 8,721,635.55
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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.