Finding the Fourth Proportional to 8,812,641.66, 13,203,323.76 and 3,683,765.48
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Solution
The fourth proportional to 8,812,641.66, 13,203,323.76 and 3,683,765.48 is: 5,519,111.09
Step by Step Solution
- Step 1: Write the proportion equation
8,812,641.66 : 13,203,323.76 = 3,683,765.48 : x - Step 2: Convert to fraction form
8,812,641.66/13,203,323.76 = 3,683,765.48/x - Step 3: Cross multiply
8,812,641.66x = 13,203,323.76 × 3,683,765.48 - Step 4: Simplify right side
8,812,641.66x = 48,637,948,288,351.80 - Step 5: Solve for x
x = 48,637,948,288,351.80/8,812,641.66 - Step 6: Final answer
x = 5,519,111.09
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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.