Finding the Fourth Proportional to 10,251,948.39, 15,377,937.54 and 4,186,680.19
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Solution
The fourth proportional to 10,251,948.39, 15,377,937.54 and 4,186,680.19 is: 6,280,026.39
Step by Step Solution
- Step 1: Write the proportion equation
10,251,948.39 : 15,377,937.54 = 4,186,680.19 : x - Step 2: Convert to fraction form
10,251,948.39/15,377,937.54 = 4,186,680.19/x - Step 3: Cross multiply
10,251,948.39x = 15,377,937.54 × 4,186,680.19 - Step 4: Simplify right side
10,251,948.39x = 64,382,506,461,775.33 - Step 5: Solve for x
x = 64,382,506,461,775.33/10,251,948.39 - Step 6: Final answer
x = 6,280,026.39
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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.