Finding the Fourth Proportional to 8,855,717.48, 12,220,395.99 and 4,881,860.45
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Solution
The fourth proportional to 8,855,717.48, 12,220,395.99 and 4,881,860.45 is: 6,736,695.02
Step by Step Solution
- Step 1: Write the proportion equation
8,855,717.48 : 12,220,395.99 = 4,881,860.45 : x - Step 2: Convert to fraction form
8,855,717.48/12,220,395.99 = 4,881,860.45/x - Step 3: Cross multiply
8,855,717.48x = 12,220,395.99 × 4,881,860.45 - Step 4: Simplify right side
8,855,717.48x = 59,658,267,866,919.60 - Step 5: Solve for x
x = 59,658,267,866,919.60/8,855,717.48 - Step 6: Final answer
x = 6,736,695.02
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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.