Finding the Fourth Proportional to 27,776,195.40, 38,344,441.35 and 18,499,203.84
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Solution
The fourth proportional to 27,776,195.40, 38,344,441.35 and 18,499,203.84 is: 25,537,753.69
Step by Step Solution
- Step 1: Write the proportion equation
27,776,195.40 : 38,344,441.35 = 18,499,203.84 : x - Step 2: Convert to fraction form
27,776,195.40/38,344,441.35 = 18,499,203.84/x - Step 3: Cross multiply
27,776,195.40x = 38,344,441.35 × 18,499,203.84 - Step 4: Simplify right side
27,776,195.40x = 709,341,636,664,574.75 - Step 5: Solve for x
x = 709,341,636,664,574.75/27,776,195.40 - Step 6: Final answer
x = 25,537,753.69
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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.