Finding the Fourth Proportional to 10,721,901.13, 14,796,337.84 and 5,827,123.48
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Solution
The fourth proportional to 10,721,901.13, 14,796,337.84 and 5,827,123.48 is: 8,041,492.51
Step by Step Solution
- Step 1: Write the proportion equation
10,721,901.13 : 14,796,337.84 = 5,827,123.48 : x - Step 2: Convert to fraction form
10,721,901.13/14,796,337.84 = 5,827,123.48/x - Step 3: Cross multiply
10,721,901.13x = 14,796,337.84 × 5,827,123.48 - Step 4: Simplify right side
10,721,901.13x = 86,220,087,645,476.48 - Step 5: Solve for x
x = 86,220,087,645,476.48/10,721,901.13 - Step 6: Final answer
x = 8,041,492.51
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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.