Finding the Fourth Proportional to 19,952,214.21, 27,531,716.47 and 11,249,867.84
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Solution
The fourth proportional to 19,952,214.21, 27,531,716.47 and 11,249,867.84 is: 15,523,498.71
Step by Step Solution
- Step 1: Write the proportion equation
19,952,214.21 : 27,531,716.47 = 11,249,867.84 : x - Step 2: Convert to fraction form
19,952,214.21/27,531,716.47 = 11,249,867.84/x - Step 3: Cross multiply
19,952,214.21x = 27,531,716.47 × 11,249,867.84 - Step 4: Simplify right side
19,952,214.21x = 309,728,171,530,068.12 - Step 5: Solve for x
x = 309,728,171,530,068.12/19,952,214.21 - Step 6: Final answer
x = 15,523,498.71
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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.