Finding the Fourth Proportional to 7,565,631.28, 10,444,423.84 and 5,842,884.40
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Solution
The fourth proportional to 7,565,631.28, 10,444,423.84 and 5,842,884.40 is: 8,066,155.87
Step by Step Solution
- Step 1: Write the proportion equation
7,565,631.28 : 10,444,423.84 = 5,842,884.40 : x - Step 2: Convert to fraction form
7,565,631.28/10,444,423.84 = 5,842,884.40/x - Step 3: Cross multiply
7,565,631.28x = 10,444,423.84 × 5,842,884.40 - Step 4: Simplify right side
7,565,631.28x = 61,025,561,121,724.10 - Step 5: Solve for x
x = 61,025,561,121,724.10/7,565,631.28 - Step 6: Final answer
x = 8,066,155.87
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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.