Finding the Fourth Proportional to 19,907,221.84, 27,472,818.47 and 11,086,673.07
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Solution
The fourth proportional to 19,907,221.84, 27,472,818.47 and 11,086,673.07 is: 15,300,083.51
Step by Step Solution
- Step 1: Write the proportion equation
19,907,221.84 : 27,472,818.47 = 11,086,673.07 : x - Step 2: Convert to fraction form
19,907,221.84/27,472,818.47 = 11,086,673.07/x - Step 3: Cross multiply
19,907,221.84x = 27,472,818.47 × 11,086,673.07 - Step 4: Simplify right side
19,907,221.84x = 304,582,156,688,347.62 - Step 5: Solve for x
x = 304,582,156,688,347.62/19,907,221.84 - Step 6: Final answer
x = 15,300,083.51
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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.