Finding the Fourth Proportional to 8,357,856.66, 11,528,722.64 and 5,528,868.48
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Solution
The fourth proportional to 8,357,856.66, 11,528,722.64 and 5,528,868.48 is: 7,626,451.83
Step by Step Solution
- Step 1: Write the proportion equation
8,357,856.66 : 11,528,722.64 = 5,528,868.48 : x - Step 2: Convert to fraction form
8,357,856.66/11,528,722.64 = 5,528,868.48/x - Step 3: Cross multiply
8,357,856.66x = 11,528,722.64 × 5,528,868.48 - Step 4: Simplify right side
8,357,856.66x = 63,740,791,191,314.05 - Step 5: Solve for x
x = 63,740,791,191,314.05/8,357,856.66 - Step 6: Final answer
x = 7,626,451.83
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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.