Finding the Fourth Proportional to 48,017,071.51, 66,269,866.58 and 27,385,788.31
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Solution
The fourth proportional to 48,017,071.51, 66,269,866.58 and 27,385,788.31 is: 37,795,985.48
Step by Step Solution
- Step 1: Write the proportion equation
48,017,071.51 : 66,269,866.58 = 27,385,788.31 : x - Step 2: Convert to fraction form
48,017,071.51/66,269,866.58 = 27,385,788.31/x - Step 3: Cross multiply
48,017,071.51x = 66,269,866.58 × 27,385,788.31 - Step 4: Simplify right side
48,017,071.51x = 1,814,852,537,491,823.50 - Step 5: Solve for x
x = 1,814,852,537,491,823.50/48,017,071.51 - Step 6: Final answer
x = 37,795,985.48
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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.