Finding the Fourth Proportional to 10,778,797.08, 14,872,749.84 and 6,132,310.74
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Solution
The fourth proportional to 10,778,797.08, 14,872,749.84 and 6,132,310.74 is: 8,461,456.59
Step by Step Solution
- Step 1: Write the proportion equation
10,778,797.08 : 14,872,749.84 = 6,132,310.74 : x - Step 2: Convert to fraction form
10,778,797.08/14,872,749.84 = 6,132,310.74/x - Step 3: Cross multiply
10,778,797.08x = 14,872,749.84 × 6,132,310.74 - Step 4: Simplify right side
10,778,797.08x = 91,204,323,577,165.28 - Step 5: Solve for x
x = 91,204,323,577,165.28/10,778,797.08 - Step 6: Final answer
x = 8,461,456.59
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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.