Finding the Fourth Proportional to 12,928,592.96, 19,398,601.92 and 6,779,106.08
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Solution
The fourth proportional to 12,928,592.96, 19,398,601.92 and 6,779,106.08 is: 10,171,654.46
Step by Step Solution
- Step 1: Write the proportion equation
12,928,592.96 : 19,398,601.92 = 6,779,106.08 : x - Step 2: Convert to fraction form
12,928,592.96/19,398,601.92 = 6,779,106.08/x - Step 3: Cross multiply
12,928,592.96x = 19,398,601.92 × 6,779,106.08 - Step 4: Simplify right side
12,928,592.96x = 131,505,180,219,371.69 - Step 5: Solve for x
x = 131,505,180,219,371.69/12,928,592.96 - Step 6: Final answer
x = 10,171,654.46
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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.