Finding the Fourth Proportional to 8,188,128, 11,295,964.35 and 4,748,377.14
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Solution
The fourth proportional to 8,188,128, 11,295,964.35 and 4,748,377.14 is: 6,550,642.45
Step by Step Solution
- Step 1: Write the proportion equation
8,188,128 : 11,295,964.35 = 4,748,377.14 : x - Step 2: Convert to fraction form
8,188,128/11,295,964.35 = 4,748,377.14/x - Step 3: Cross multiply
8,188,128x = 11,295,964.35 × 4,748,377.14 - Step 4: Simplify right side
8,188,128x = 53,637,498,893,794.95 - Step 5: Solve for x
x = 53,637,498,893,794.95/8,188,128 - Step 6: Final answer
x = 6,550,642.45
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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.