Finding the Fourth Proportional to 8,367,518.96, 11,552,698.80 and 6,430,258.16
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Solution
The fourth proportional to 8,367,518.96, 11,552,698.80 and 6,430,258.16 is: 8,878,000.29
Step by Step Solution
- Step 1: Write the proportion equation
8,367,518.96 : 11,552,698.80 = 6,430,258.16 : x - Step 2: Convert to fraction form
8,367,518.96/11,552,698.80 = 6,430,258.16/x - Step 3: Cross multiply
8,367,518.96x = 11,552,698.80 × 6,430,258.16 - Step 4: Simplify right side
8,367,518.96x = 74,286,835,728,722.22 - Step 5: Solve for x
x = 74,286,835,728,722.22/8,367,518.96 - Step 6: Final answer
x = 8,878,000.29
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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.