Finding the Fourth Proportional to 19,931,630.70, 29,897,446.05 and 17,412,206.70
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Solution
The fourth proportional to 19,931,630.70, 29,897,446.05 and 17,412,206.70 is: 26,118,310.05
Step by Step Solution
- Step 1: Write the proportion equation
19,931,630.70 : 29,897,446.05 = 17,412,206.70 : x - Step 2: Convert to fraction form
19,931,630.70/29,897,446.05 = 17,412,206.70/x - Step 3: Cross multiply
19,931,630.70x = 29,897,446.05 × 17,412,206.70 - Step 4: Simplify right side
19,931,630.70x = 520,580,510,424,698.50 - Step 5: Solve for x
x = 520,580,510,424,698.50/19,931,630.70 - Step 6: Final answer
x = 26,118,310.05
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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.