Finding the Fourth Proportional to 14,349,721.26, 21,513,214.95 and 7,157,553.06
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Solution
The fourth proportional to 14,349,721.26, 21,513,214.95 and 7,157,553.06 is: 10,730,659.83
Step by Step Solution
- Step 1: Write the proportion equation
14,349,721.26 : 21,513,214.95 = 7,157,553.06 : x - Step 2: Convert to fraction form
14,349,721.26/21,513,214.95 = 7,157,553.06/x - Step 3: Cross multiply
14,349,721.26x = 21,513,214.95 × 7,157,553.06 - Step 4: Simplify right side
14,349,721.26x = 153,981,977,495,810.22 - Step 5: Solve for x
x = 153,981,977,495,810.22/14,349,721.26 - Step 6: Final answer
x = 10,730,659.83
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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.