Finding the Fourth Proportional to 27,386,465.14, 37,794,502.86 and 15,163,322.14
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Solution
The fourth proportional to 27,386,465.14, 37,794,502.86 and 15,163,322.14 is: 20,926,038.43
Step by Step Solution
- Step 1: Write the proportion equation
27,386,465.14 : 37,794,502.86 = 15,163,322.14 : x - Step 2: Convert to fraction form
27,386,465.14/37,794,502.86 = 15,163,322.14/x - Step 3: Cross multiply
27,386,465.14x = 37,794,502.86 × 15,163,322.14 - Step 4: Simplify right side
27,386,465.14x = 573,090,221,987,331.38 - Step 5: Solve for x
x = 573,090,221,987,331.38/27,386,465.14 - Step 6: Final answer
x = 20,926,038.43
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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.