Finding the Fourth Proportional to 38,125,298.24, 52,613,444.40 and 20,721,638.24
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Solution
The fourth proportional to 38,125,298.24, 52,613,444.40 and 20,721,638.24 is: 28,596,150.37
Step by Step Solution
- Step 1: Write the proportion equation
38,125,298.24 : 52,613,444.40 = 20,721,638.24 : x - Step 2: Convert to fraction form
38,125,298.24/52,613,444.40 = 20,721,638.24/x - Step 3: Cross multiply
38,125,298.24x = 52,613,444.40 × 20,721,638.24 - Step 4: Simplify right side
38,125,298.24x = 1,090,236,761,417,153.75 - Step 5: Solve for x
x = 1,090,236,761,417,153.75/38,125,298.24 - Step 6: Final answer
x = 28,596,150.37
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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.