Finding the Fourth Proportional to 14,235,056.24, 19,644,387.98 and 7,708,692.78
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Solution
The fourth proportional to 14,235,056.24, 19,644,387.98 and 7,708,692.78 is: 10,638,001.65
Step by Step Solution
- Step 1: Write the proportion equation
14,235,056.24 : 19,644,387.98 = 7,708,692.78 : x - Step 2: Convert to fraction form
14,235,056.24/19,644,387.98 = 7,708,692.78/x - Step 3: Cross multiply
14,235,056.24x = 19,644,387.98 × 7,708,692.78 - Step 4: Simplify right side
14,235,056.24x = 151,432,551,750,401.34 - Step 5: Solve for x
x = 151,432,551,750,401.34/14,235,056.24 - Step 6: Final answer
x = 10,638,001.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.