Finding the Fourth Proportional to 11,688,924.04, 16,129,318.19 and 6,461,226.09
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Solution
The fourth proportional to 11,688,924.04, 16,129,318.19 and 6,461,226.09 is: 8,915,719.80
Step by Step Solution
- Step 1: Write the proportion equation
11,688,924.04 : 16,129,318.19 = 6,461,226.09 : x - Step 2: Convert to fraction form
11,688,924.04/16,129,318.19 = 6,461,226.09/x - Step 3: Cross multiply
11,688,924.04x = 16,129,318.19 × 6,461,226.09 - Step 4: Simplify right side
11,688,924.04x = 104,215,171,470,833.45 - Step 5: Solve for x
x = 104,215,171,470,833.45/11,688,924.04 - Step 6: Final answer
x = 8,915,719.80
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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.