Finding the Fourth Proportional to 12,744,503.76, 17,587,362.48 and 6,943,267.68
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Solution
The fourth proportional to 12,744,503.76, 17,587,362.48 and 6,943,267.68 is: 9,581,680.68
Step by Step Solution
- Step 1: Write the proportion equation
12,744,503.76 : 17,587,362.48 = 6,943,267.68 : x - Step 2: Convert to fraction form
12,744,503.76/17,587,362.48 = 6,943,267.68/x - Step 3: Cross multiply
12,744,503.76x = 17,587,362.48 × 6,943,267.68 - Step 4: Simplify right side
12,744,503.76x = 122,113,765,483,828.64 - Step 5: Solve for x
x = 122,113,765,483,828.64/12,744,503.76 - Step 6: Final answer
x = 9,581,680.68
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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.