Finding the Fourth Proportional to 9,769,734.68, 13,488,350 and 6,291,125.28
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Solution
The fourth proportional to 9,769,734.68, 13,488,350 and 6,291,125.28 is: 8,685,691.32
Step by Step Solution
- Step 1: Write the proportion equation
9,769,734.68 : 13,488,350 = 6,291,125.28 : x - Step 2: Convert to fraction form
9,769,734.68/13,488,350 = 6,291,125.28/x - Step 3: Cross multiply
9,769,734.68x = 13,488,350 × 6,291,125.28 - Step 4: Simplify right side
9,769,734.68x = 84,856,899,670,488 - Step 5: Solve for x
x = 84,856,899,670,488/9,769,734.68 - Step 6: Final answer
x = 8,685,691.32
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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.