Finding the Fourth Proportional to 11,486,847.74, 15,852,181.95 and 6,330,541.37
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Solution
The fourth proportional to 11,486,847.74, 15,852,181.95 and 6,330,541.37 is: 8,736,330.09
Step by Step Solution
- Step 1: Write the proportion equation
11,486,847.74 : 15,852,181.95 = 6,330,541.37 : x - Step 2: Convert to fraction form
11,486,847.74/15,852,181.95 = 6,330,541.37/x - Step 3: Cross multiply
11,486,847.74x = 15,852,181.95 × 6,330,541.37 - Step 4: Simplify right side
11,486,847.74x = 100,352,893,559,981.36 - Step 5: Solve for x
x = 100,352,893,559,981.36/11,486,847.74 - Step 6: Final answer
x = 8,736,330.09
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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.