Finding the Fourth Proportional to 8,352,071.76, 11,525,312.70 and 4,913,648.76
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Solution
The fourth proportional to 8,352,071.76, 11,525,312.70 and 4,913,648.76 is: 6,780,513.88
Step by Step Solution
- Step 1: Write the proportion equation
8,352,071.76 : 11,525,312.70 = 4,913,648.76 : x - Step 2: Convert to fraction form
8,352,071.76/11,525,312.70 = 4,913,648.76/x - Step 3: Cross multiply
8,352,071.76x = 11,525,312.70 × 4,913,648.76 - Step 4: Simplify right side
8,352,071.76x = 56,631,338,456,967.24 - Step 5: Solve for x
x = 56,631,338,456,967.24/8,352,071.76 - Step 6: Final answer
x = 6,780,513.88
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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.