Finding the Fourth Proportional to 8,878,253.70, 13,331,377.35 and 5,099,117.70
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Solution
The fourth proportional to 8,878,253.70, 13,331,377.35 and 5,099,117.70 is: 7,656,715.44
Step by Step Solution
- Step 1: Write the proportion equation
8,878,253.70 : 13,331,377.35 = 5,099,117.70 : x - Step 2: Convert to fraction form
8,878,253.70/13,331,377.35 = 5,099,117.70/x - Step 3: Cross multiply
8,878,253.70x = 13,331,377.35 × 5,099,117.70 - Step 4: Simplify right side
8,878,253.70x = 67,978,262,210,764.09 - Step 5: Solve for x
x = 67,978,262,210,764.09/8,878,253.70 - Step 6: Final answer
x = 7,656,715.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.