Finding the Fourth Proportional to 10,926,268.30, 15,078,253.28 and 6,031,493.79
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Solution
The fourth proportional to 10,926,268.30, 15,078,253.28 and 6,031,493.79 is: 8,323,463.09
Step by Step Solution
- Step 1: Write the proportion equation
10,926,268.30 : 15,078,253.28 = 6,031,493.79 : x - Step 2: Convert to fraction form
10,926,268.30/15,078,253.28 = 6,031,493.79/x - Step 3: Cross multiply
10,926,268.30x = 15,078,253.28 × 6,031,493.79 - Step 4: Simplify right side
10,926,268.30x = 90,944,390,935,666.22 - Step 5: Solve for x
x = 90,944,390,935,666.22/10,926,268.30 - Step 6: Final answer
x = 8,323,463.09
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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.