Finding the Fourth Proportional to 14,411,349.92, 19,887,485.78 and 7,884,885.40
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Solution
The fourth proportional to 14,411,349.92, 19,887,485.78 and 7,884,885.40 is: 10,881,044.95
Step by Step Solution
- Step 1: Write the proportion equation
14,411,349.92 : 19,887,485.78 = 7,884,885.40 : x - Step 2: Convert to fraction form
14,411,349.92/19,887,485.78 = 7,884,885.40/x - Step 3: Cross multiply
14,411,349.92x = 19,887,485.78 × 7,884,885.40 - Step 4: Simplify right side
14,411,349.92x = 156,810,546,239,423.09 - Step 5: Solve for x
x = 156,810,546,239,423.09/14,411,349.92 - Step 6: Final answer
x = 10,881,044.95
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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.