Finding the Fourth Proportional to 7,927,955.80, 11,889,374.70 and 2,246,654.68
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Solution
The fourth proportional to 7,927,955.80, 11,889,374.70 and 2,246,654.68 is: 3,369,256.84
Step by Step Solution
- Step 1: Write the proportion equation
7,927,955.80 : 11,889,374.70 = 2,246,654.68 : x - Step 2: Convert to fraction form
7,927,955.80/11,889,374.70 = 2,246,654.68/x - Step 3: Cross multiply
7,927,955.80x = 11,889,374.70 × 2,246,654.68 - Step 4: Simplify right side
7,927,955.80x = 26,711,319,312,028.60 - Step 5: Solve for x
x = 26,711,319,312,028.60/7,927,955.80 - Step 6: Final answer
x = 3,369,256.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.