Finding the Fourth Proportional to 8,168,545.36, 12,254,149.14 and 2,411,860.92
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Solution
The fourth proportional to 8,168,545.36, 12,254,149.14 and 2,411,860.92 is: 3,618,184.40
Step by Step Solution
- Step 1: Write the proportion equation
8,168,545.36 : 12,254,149.14 = 2,411,860.92 : x - Step 2: Convert to fraction form
8,168,545.36/12,254,149.14 = 2,411,860.92/x - Step 3: Cross multiply
8,168,545.36x = 12,254,149.14 × 2,411,860.92 - Step 4: Simplify right side
8,168,545.36x = 29,555,303,418,617.61 - Step 5: Solve for x
x = 29,555,303,418,617.61/8,168,545.36 - Step 6: Final answer
x = 3,618,184.40
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1.5x scale
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.