Finding the Fourth Proportional to 7,518,011.96, 10,374,860.78 and 4,080,252.99
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Solution
The fourth proportional to 7,518,011.96, 10,374,860.78 and 4,080,252.99 is: 5,630,751.45
Step by Step Solution
- Step 1: Write the proportion equation
7,518,011.96 : 10,374,860.78 = 4,080,252.99 : x - Step 2: Convert to fraction form
7,518,011.96/10,374,860.78 = 4,080,252.99/x - Step 3: Cross multiply
7,518,011.96x = 10,374,860.78 × 4,080,252.99 - Step 4: Simplify right side
7,518,011.96x = 42,332,056,718,428.73 - Step 5: Solve for x
x = 42,332,056,718,428.73/7,518,011.96 - Step 6: Final answer
x = 5,630,751.45
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1.5x scale
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.