Finding the Fourth Proportional to 6,849,347.16, 9,458,452.80 and 5,127,478.32
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Solution
The fourth proportional to 6,849,347.16, 9,458,452.80 and 5,127,478.32 is: 7,080,676.53
Step by Step Solution
- Step 1: Write the proportion equation
6,849,347.16 : 9,458,452.80 = 5,127,478.32 : x - Step 2: Convert to fraction form
6,849,347.16/9,458,452.80 = 5,127,478.32/x - Step 3: Cross multiply
6,849,347.16x = 9,458,452.80 × 5,127,478.32 - Step 4: Simplify right side
6,849,347.16x = 48,498,011,672,743.30 - Step 5: Solve for x
x = 48,498,011,672,743.30/6,849,347.16 - Step 6: Final answer
x = 7,080,676.53
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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.