Finding the Fourth Proportional to 10,031,145, 13,847,218.08 and 6,772,374.12
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Solution
The fourth proportional to 10,031,145, 13,847,218.08 and 6,772,374.12 is: 9,348,737.49
Step by Step Solution
- Step 1: Write the proportion equation
10,031,145 : 13,847,218.08 = 6,772,374.12 : x - Step 2: Convert to fraction form
10,031,145/13,847,218.08 = 6,772,374.12/x - Step 3: Cross multiply
10,031,145x = 13,847,218.08 × 6,772,374.12 - Step 4: Simplify right side
10,031,145x = 93,778,541,358,988.09 - Step 5: Solve for x
x = 93,778,541,358,988.09/10,031,145 - Step 6: Final answer
x = 9,348,737.49
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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.