Finding the Fourth Proportional to 7,767,926.08, 10,720,321.76 and 4,504,712.48
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Solution
The fourth proportional to 7,767,926.08, 10,720,321.76 and 4,504,712.48 is: 6,216,841.76
Step by Step Solution
- Step 1: Write the proportion equation
7,767,926.08 : 10,720,321.76 = 4,504,712.48 : x - Step 2: Convert to fraction form
7,767,926.08/10,720,321.76 = 4,504,712.48/x - Step 3: Cross multiply
7,767,926.08x = 10,720,321.76 × 4,504,712.48 - Step 4: Simplify right side
7,767,926.08x = 48,291,967,221,887.57 - Step 5: Solve for x
x = 48,291,967,221,887.57/7,767,926.08 - Step 6: Final answer
x = 6,216,841.76
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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.