Finding the Fourth Proportional to 14,553,659.70, 21,830,489.55 and 13,845,071.70
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Solution
The fourth proportional to 14,553,659.70, 21,830,489.55 and 13,845,071.70 is: 20,767,607.55
Step by Step Solution
- Step 1: Write the proportion equation
14,553,659.70 : 21,830,489.55 = 13,845,071.70 : x - Step 2: Convert to fraction form
14,553,659.70/21,830,489.55 = 13,845,071.70/x - Step 3: Cross multiply
14,553,659.70x = 21,830,489.55 × 13,845,071.70 - Step 4: Simplify right side
14,553,659.70x = 302,244,693,065,850.75 - Step 5: Solve for x
x = 302,244,693,065,850.75/14,553,659.70 - Step 6: Final answer
x = 20,767,607.55
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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.