Finding the Fourth Proportional to 10,255,794.14, 14,157,353.70 and 6,390,225.20
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Solution
The fourth proportional to 10,255,794.14, 14,157,353.70 and 6,390,225.20 is: 8,821,226.04
Step by Step Solution
- Step 1: Write the proportion equation
10,255,794.14 : 14,157,353.70 = 6,390,225.20 : x - Step 2: Convert to fraction form
10,255,794.14/14,157,353.70 = 6,390,225.20/x - Step 3: Cross multiply
10,255,794.14x = 14,157,353.70 × 6,390,225.20 - Step 4: Simplify right side
10,255,794.14x = 90,468,678,379,053.23 - Step 5: Solve for x
x = 90,468,678,379,053.23/10,255,794.14 - Step 6: Final answer
x = 8,821,226.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.