Finding the Fourth Proportional to 10,277,167.12, 14,181,346.36 and 5,692,340.32
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Solution
The fourth proportional to 10,277,167.12, 14,181,346.36 and 5,692,340.32 is: 7,854,795.85
Step by Step Solution
- Step 1: Write the proportion equation
10,277,167.12 : 14,181,346.36 = 5,692,340.32 : x - Step 2: Convert to fraction form
10,277,167.12/14,181,346.36 = 5,692,340.32/x - Step 3: Cross multiply
10,277,167.12x = 14,181,346.36 × 5,692,340.32 - Step 4: Simplify right side
10,277,167.12x = 80,725,049,676,913.23 - Step 5: Solve for x
x = 80,725,049,676,913.23/10,277,167.12 - Step 6: Final answer
x = 7,854,795.85
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1.5x scale
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.