Finding the Fourth Proportional to 19,566,554.40, 27,000,944.64 and 10,865,280.96
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Solution
The fourth proportional to 19,566,554.40, 27,000,944.64 and 10,865,280.96 is: 14,993,587.72
Step by Step Solution
- Step 1: Write the proportion equation
19,566,554.40 : 27,000,944.64 = 10,865,280.96 : x - Step 2: Convert to fraction form
19,566,554.40/27,000,944.64 = 10,865,280.96/x - Step 3: Cross multiply
19,566,554.40x = 27,000,944.64 × 10,865,280.96 - Step 4: Simplify right side
19,566,554.40x = 293,372,849,699,006.06 - Step 5: Solve for x
x = 293,372,849,699,006.06/19,566,554.40 - Step 6: Final answer
x = 14,993,587.72
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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.