Finding the Fourth Proportional to 10,031,145.12, 13,847,218.20 and 6,772,374.18
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Solution
The fourth proportional to 10,031,145.12, 13,847,218.20 and 6,772,374.18 is: 9,348,737.54
Step by Step Solution
- Step 1: Write the proportion equation
10,031,145.12 : 13,847,218.20 = 6,772,374.18 : x - Step 2: Convert to fraction form
10,031,145.12/13,847,218.20 = 6,772,374.18/x - Step 3: Cross multiply
10,031,145.12x = 13,847,218.20 × 6,772,374.18 - Step 4: Simplify right side
10,031,145.12x = 93,778,543,002,506.06 - Step 5: Solve for x
x = 93,778,543,002,506.06/10,031,145.12 - Step 6: Final answer
x = 9,348,737.54
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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.