Finding the Fourth Proportional to 19,465,902.40, 29,167,360.80 and 12,264,548.80
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Solution
The fourth proportional to 19,465,902.40, 29,167,360.80 and 12,264,548.80 is: 18,376,981.07
Step by Step Solution
- Step 1: Write the proportion equation
19,465,902.40 : 29,167,360.80 = 12,264,548.80 : x - Step 2: Convert to fraction form
19,465,902.40/29,167,360.80 = 12,264,548.80/x - Step 3: Cross multiply
19,465,902.40x = 29,167,360.80 × 12,264,548.80 - Step 4: Simplify right side
19,465,902.40x = 357,724,519,898,807.06 - Step 5: Solve for x
x = 357,724,519,898,807.06/19,465,902.40 - Step 6: Final answer
x = 18,376,981.07
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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.