Finding the Fourth Proportional to 7,806,044.42, 11,715,792.68 and 5,411,570.56
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Solution
The fourth proportional to 7,806,044.42, 11,715,792.68 and 5,411,570.56 is: 8,122,018.70
Step by Step Solution
- Step 1: Write the proportion equation
7,806,044.42 : 11,715,792.68 = 5,411,570.56 : x - Step 2: Convert to fraction form
7,806,044.42/11,715,792.68 = 5,411,570.56/x - Step 3: Cross multiply
7,806,044.42x = 11,715,792.68 × 5,411,570.56 - Step 4: Simplify right side
7,806,044.42x = 63,400,838,754,151.49 - Step 5: Solve for x
x = 63,400,838,754,151.49/7,806,044.42 - Step 6: Final answer
x = 8,122,018.70
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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.