Finding the Fourth Proportional to 11,361,056.14, 15,678,315.21 and 6,204,417.54
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Solution
The fourth proportional to 11,361,056.14, 15,678,315.21 and 6,204,417.54 is: 8,562,127.74
Step by Step Solution
- Step 1: Write the proportion equation
11,361,056.14 : 15,678,315.21 = 6,204,417.54 : x - Step 2: Convert to fraction form
11,361,056.14/15,678,315.21 = 6,204,417.54/x - Step 3: Cross multiply
11,361,056.14x = 15,678,315.21 × 6,204,417.54 - Step 4: Simplify right side
11,361,056.14x = 97,274,813,886,572.80 - Step 5: Solve for x
x = 97,274,813,886,572.80/11,361,056.14 - Step 6: Final answer
x = 8,562,127.74
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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.