Finding the Fourth Proportional to 13,979,568.62, 20,959,603.68 and 6,194,248.76
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Solution
The fourth proportional to 13,979,568.62, 20,959,603.68 and 6,194,248.76 is: 9,287,053.32
Step by Step Solution
- Step 1: Write the proportion equation
13,979,568.62 : 20,959,603.68 = 6,194,248.76 : x - Step 2: Convert to fraction form
13,979,568.62/20,959,603.68 = 6,194,248.76/x - Step 3: Cross multiply
13,979,568.62x = 20,959,603.68 × 6,194,248.76 - Step 4: Simplify right side
13,979,568.62x = 129,828,999,104,931.44 - Step 5: Solve for x
x = 129,828,999,104,931.44/13,979,568.62 - Step 6: Final answer
x = 9,287,053.32
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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.