Finding the Fourth Proportional to 10,103,397.78, 15,164,677.93 and 6,253,574.84
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Solution
The fourth proportional to 10,103,397.78, 15,164,677.93 and 6,253,574.84 is: 9,386,292.65
Step by Step Solution
- Step 1: Write the proportion equation
10,103,397.78 : 15,164,677.93 = 6,253,574.84 : x - Step 2: Convert to fraction form
10,103,397.78/15,164,677.93 = 6,253,574.84/x - Step 3: Cross multiply
10,103,397.78x = 15,164,677.93 × 6,253,574.84 - Step 4: Simplify right side
10,103,397.78x = 94,833,448,359,751.28 - Step 5: Solve for x
x = 94,833,448,359,751.28/10,103,397.78 - Step 6: Final answer
x = 9,386,292.65
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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.