Finding the Fourth Proportional to 8,788,614.58, 12,128,385.08 and 4,868,430.75
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Solution
The fourth proportional to 8,788,614.58, 12,128,385.08 and 4,868,430.75 is: 6,718,488.15
Step by Step Solution
- Step 1: Write the proportion equation
8,788,614.58 : 12,128,385.08 = 4,868,430.75 : x - Step 2: Convert to fraction form
8,788,614.58/12,128,385.08 = 4,868,430.75/x - Step 3: Cross multiply
8,788,614.58x = 12,128,385.08 × 4,868,430.75 - Step 4: Simplify right side
8,788,614.58x = 59,046,202,883,484.28 - Step 5: Solve for x
x = 59,046,202,883,484.28/8,788,614.58 - Step 6: Final answer
x = 6,718,488.15
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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.