Finding the Fourth Proportional to 14,386,903.63, 19,853,692.38 and 7,860,392.62
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Solution
The fourth proportional to 14,386,903.63, 19,853,692.38 and 7,860,392.62 is: 10,847,213.62
Step by Step Solution
- Step 1: Write the proportion equation
14,386,903.63 : 19,853,692.38 = 7,860,392.62 : x - Step 2: Convert to fraction form
14,386,903.63/19,853,692.38 = 7,860,392.62/x - Step 3: Cross multiply
14,386,903.63x = 19,853,692.38 × 7,860,392.62 - Step 4: Simplify right side
14,386,903.63x = 156,057,817,013,868 - Step 5: Solve for x
x = 156,057,817,013,868/14,386,903.63 - Step 6: Final answer
x = 10,847,213.62
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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.