Finding the Fourth Proportional to 7,127,927.90, 10,690,809.28 and 2,335,511.06
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Solution
The fourth proportional to 7,127,927.90, 10,690,809.28 and 2,335,511.06 is: 3,502,911.88
Step by Step Solution
- Step 1: Write the proportion equation
7,127,927.90 : 10,690,809.28 = 2,335,511.06 : x - Step 2: Convert to fraction form
7,127,927.90/10,690,809.28 = 2,335,511.06/x - Step 3: Cross multiply
7,127,927.90x = 10,690,809.28 × 2,335,511.06 - Step 4: Simplify right side
7,127,927.90x = 24,968,503,313,790.64 - Step 5: Solve for x
x = 24,968,503,313,790.64/7,127,927.90 - Step 6: Final answer
x = 3,502,911.88
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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.