Finding the Fourth Proportional to 10,398,308.16, 14,351,289.12 and 6,325,204.80
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Solution
The fourth proportional to 10,398,308.16, 14,351,289.12 and 6,325,204.80 is: 8,729,770.40
Step by Step Solution
- Step 1: Write the proportion equation
10,398,308.16 : 14,351,289.12 = 6,325,204.80 : x - Step 2: Convert to fraction form
10,398,308.16/14,351,289.12 = 6,325,204.80/x - Step 3: Cross multiply
10,398,308.16x = 14,351,289.12 × 6,325,204.80 - Step 4: Simplify right side
10,398,308.16x = 90,774,842,828,011.77 - Step 5: Solve for x
x = 90,774,842,828,011.77/10,398,308.16 - Step 6: Final answer
x = 8,729,770.40
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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.