Finding the Fourth Proportional to 19,402,204.20, 29,103,306.30 and 6,623,125.80
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Solution
The fourth proportional to 19,402,204.20, 29,103,306.30 and 6,623,125.80 is: 9,934,688.70
Step by Step Solution
- Step 1: Write the proportion equation
19,402,204.20 : 29,103,306.30 = 6,623,125.80 : x - Step 2: Convert to fraction form
19,402,204.20/29,103,306.30 = 6,623,125.80/x - Step 3: Cross multiply
19,402,204.20x = 29,103,306.30 × 6,623,125.80 - Step 4: Simplify right side
19,402,204.20x = 192,754,858,820,832.53 - Step 5: Solve for x
x = 192,754,858,820,832.53/19,402,204.20 - Step 6: Final answer
x = 9,934,688.70
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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.