Finding the Fourth Proportional to 12,951,630.88, 19,427,179.52 and 4,316,358.44
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Solution
The fourth proportional to 12,951,630.88, 19,427,179.52 and 4,316,358.44 is: 6,474,448.75
Step by Step Solution
- Step 1: Write the proportion equation
12,951,630.88 : 19,427,179.52 = 4,316,358.44 : x - Step 2: Convert to fraction form
12,951,630.88/19,427,179.52 = 4,316,358.44/x - Step 3: Cross multiply
12,951,630.88x = 19,427,179.52 × 4,316,358.44 - Step 4: Simplify right side
12,951,630.88x = 83,854,670,345,906 - Step 5: Solve for x
x = 83,854,670,345,906/12,951,630.88 - Step 6: Final answer
x = 6,474,448.75
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1.5x scale
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.