Finding the Fourth Proportional to 38,915,848.94, 53,701,312.40 and 22,393,306.73
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Solution
The fourth proportional to 38,915,848.94, 53,701,312.40 and 22,393,306.73 is: 30,901,290.69
Step by Step Solution
- Step 1: Write the proportion equation
38,915,848.94 : 53,701,312.40 = 22,393,306.73 : x - Step 2: Convert to fraction form
38,915,848.94/53,701,312.40 = 22,393,306.73/x - Step 3: Cross multiply
38,915,848.94x = 53,701,312.40 × 22,393,306.73 - Step 4: Simplify right side
38,915,848.94x = 1,202,549,960,275,444 - Step 5: Solve for x
x = 1,202,549,960,275,444/38,915,848.94 - Step 6: Final answer
x = 30,901,290.69
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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.