Finding the Fourth Proportional to 38,171,454.24, 57,293,053.20 and 19,988,698.08
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Solution
The fourth proportional to 38,171,454.24, 57,293,053.20 and 19,988,698.08 is: 30,001,831.61
Step by Step Solution
- Step 1: Write the proportion equation
38,171,454.24 : 57,293,053.20 = 19,988,698.08 : x - Step 2: Convert to fraction form
38,171,454.24/57,293,053.20 = 19,988,698.08/x - Step 3: Cross multiply
38,171,454.24x = 57,293,053.20 × 19,988,698.08 - Step 4: Simplify right side
38,171,454.24x = 1,145,213,542,496,177.75 - Step 5: Solve for x
x = 1,145,213,542,496,177.75/38,171,454.24 - Step 6: Final answer
x = 30,001,831.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.