Finding the Fourth Proportional to 14,489,948.18, 21,738,842.47 and 4,905,327.74
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Solution
The fourth proportional to 14,489,948.18, 21,738,842.47 and 4,905,327.74 is: 7,359,318.72
Step by Step Solution
- Step 1: Write the proportion equation
14,489,948.18 : 21,738,842.47 = 4,905,327.74 : x - Step 2: Convert to fraction form
14,489,948.18/21,738,842.47 = 4,905,327.74/x - Step 3: Cross multiply
14,489,948.18x = 21,738,842.47 × 4,905,327.74 - Step 4: Simplify right side
14,489,948.18x = 106,636,146,901,018.58 - Step 5: Solve for x
x = 106,636,146,901,018.58/14,489,948.18 - Step 6: Final answer
x = 7,359,318.72
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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.