Finding the Fourth Proportional to 27,776,312.80, 38,331,618.24 and 15,386,596
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Solution
The fourth proportional to 27,776,312.80, 38,331,618.24 and 15,386,596 is: 21,233,672.31
Step by Step Solution
- Step 1: Write the proportion equation
27,776,312.80 : 38,331,618.24 = 15,386,596 : x - Step 2: Convert to fraction form
27,776,312.80/38,331,618.24 = 15,386,596/x - Step 3: Cross multiply
27,776,312.80x = 38,331,618.24 × 15,386,596 - Step 4: Simplify right side
27,776,312.80x = 589,793,123,885,111.12 - Step 5: Solve for x
x = 589,793,123,885,111.12/27,776,312.80 - Step 6: Final answer
x = 21,233,672.31
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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.