Finding the Fourth Proportional to 10,464,663.79, 14,432,243.47 and 6,789,959.47
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Solution
The fourth proportional to 10,464,663.79, 14,432,243.47 and 6,789,959.47 is: 9,364,309.28
Step by Step Solution
- Step 1: Write the proportion equation
10,464,663.79 : 14,432,243.47 = 6,789,959.47 : x - Step 2: Convert to fraction form
10,464,663.79/14,432,243.47 = 6,789,959.47/x - Step 3: Cross multiply
10,464,663.79x = 14,432,243.47 × 6,789,959.47 - Step 4: Simplify right side
10,464,663.79x = 97,994,348,222,472.16 - Step 5: Solve for x
x = 97,994,348,222,472.16/10,464,663.79 - Step 6: Final answer
x = 9,364,309.28
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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.