Finding the Fourth Proportional to 19,730,692.75, 29,587,403.19 and 10,506,722.26
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Solution
The fourth proportional to 19,730,692.75, 29,587,403.19 and 10,506,722.26 is: 15,755,484.70
Step by Step Solution
- Step 1: Write the proportion equation
19,730,692.75 : 29,587,403.19 = 10,506,722.26 : x - Step 2: Convert to fraction form
19,730,692.75/29,587,403.19 = 10,506,722.26/x - Step 3: Cross multiply
19,730,692.75x = 29,587,403.19 × 10,506,722.26 - Step 4: Simplify right side
19,730,692.75x = 310,866,627,711,968 - Step 5: Solve for x
x = 310,866,627,711,968/19,730,692.75 - Step 6: Final answer
x = 15,755,484.70
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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.