Finding the Fourth Proportional to 38,530,130.58, 53,179,304.81 and 22,857,854.18
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Solution
The fourth proportional to 38,530,130.58, 53,179,304.81 and 22,857,854.18 is: 31,548,421.35
Step by Step Solution
- Step 1: Write the proportion equation
38,530,130.58 : 53,179,304.81 = 22,857,854.18 : x - Step 2: Convert to fraction form
38,530,130.58/53,179,304.81 = 22,857,854.18/x - Step 3: Cross multiply
38,530,130.58x = 53,179,304.81 × 22,857,854.18 - Step 4: Simplify right side
38,530,130.58x = 1,215,564,794,360,566.75 - Step 5: Solve for x
x = 1,215,564,794,360,566.75/38,530,130.58 - Step 6: Final answer
x = 31,548,421.35
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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.