Finding the Fourth Proportional to 14,291,432.70, 21,425,098.68 and 6,198,312.84
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Solution
The fourth proportional to 14,291,432.70, 21,425,098.68 and 6,198,312.84 is: 9,292,242.91
Step by Step Solution
- Step 1: Write the proportion equation
14,291,432.70 : 21,425,098.68 = 6,198,312.84 : x - Step 2: Convert to fraction form
14,291,432.70/21,425,098.68 = 6,198,312.84/x - Step 3: Cross multiply
14,291,432.70x = 21,425,098.68 × 6,198,312.84 - Step 4: Simplify right side
14,291,432.70x = 132,799,464,246,511.05 - Step 5: Solve for x
x = 132,799,464,246,511.05/14,291,432.70 - Step 6: Final answer
x = 9,292,242.91
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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.