Finding the Fourth Proportional to 19,896,348.62, 29,847,762.42 and 5,875,998.30
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Solution
The fourth proportional to 19,896,348.62, 29,847,762.42 and 5,875,998.30 is: 8,814,954.17
Step by Step Solution
- Step 1: Write the proportion equation
19,896,348.62 : 29,847,762.42 = 5,875,998.30 : x - Step 2: Convert to fraction form
19,896,348.62/29,847,762.42 = 5,875,998.30/x - Step 3: Cross multiply
19,896,348.62x = 29,847,762.42 × 5,875,998.30 - Step 4: Simplify right side
19,896,348.62x = 175,385,401,149,271.22 - Step 5: Solve for x
x = 175,385,401,149,271.22/19,896,348.62 - Step 6: Final answer
x = 8,814,954.17
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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.