Finding the Fourth Proportional to 18,566,076.84, 27,842,807.82 and 6,432,708.18
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Solution
The fourth proportional to 18,566,076.84, 27,842,807.82 and 6,432,708.18 is: 9,646,876.89
Step by Step Solution
- Step 1: Write the proportion equation
18,566,076.84 : 27,842,807.82 = 6,432,708.18 : x - Step 2: Convert to fraction form
18,566,076.84/27,842,807.82 = 6,432,708.18/x - Step 3: Cross multiply
18,566,076.84x = 27,842,807.82 × 6,432,708.18 - Step 4: Simplify right side
18,566,076.84x = 179,104,657,617,881.97 - Step 5: Solve for x
x = 179,104,657,617,881.97/18,566,076.84 - Step 6: Final answer
x = 9,646,876.89
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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.