Finding the Fourth Proportional to 38,912,055.99, 53,693,149.37 and 22,167,235.95
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Solution
The fourth proportional to 38,912,055.99, 53,693,149.37 and 22,167,235.95 is: 30,587,659.29
Step by Step Solution
- Step 1: Write the proportion equation
38,912,055.99 : 53,693,149.37 = 22,167,235.95 : x - Step 2: Convert to fraction form
38,912,055.99/53,693,149.37 = 22,167,235.95/x - Step 3: Cross multiply
38,912,055.99x = 53,693,149.37 × 22,167,235.95 - Step 4: Simplify right side
38,912,055.99x = 1,190,228,710,872,547.75 - Step 5: Solve for x
x = 1,190,228,710,872,547.75/38,912,055.99 - Step 6: Final answer
x = 30,587,659.29
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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.