Finding the Fourth Proportional to 17,869,827.30, 26,804,740.95 and 5,090,165.70
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Solution
The fourth proportional to 17,869,827.30, 26,804,740.95 and 5,090,165.70 is: 7,635,248.55
Step by Step Solution
- Step 1: Write the proportion equation
17,869,827.30 : 26,804,740.95 = 5,090,165.70 : x - Step 2: Convert to fraction form
17,869,827.30/26,804,740.95 = 5,090,165.70/x - Step 3: Cross multiply
17,869,827.30x = 26,804,740.95 × 5,090,165.70 - Step 4: Simplify right side
17,869,827.30x = 136,440,572,981,075.42 - Step 5: Solve for x
x = 136,440,572,981,075.42/17,869,827.30 - Step 6: Final answer
x = 7,635,248.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.