Finding the Fourth Proportional to 18,103,565.95, 27,152,792.19 and 5,805,931.28
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Solution
The fourth proportional to 18,103,565.95, 27,152,792.19 and 5,805,931.28 is: 8,708,076.95
Step by Step Solution
- Step 1: Write the proportion equation
18,103,565.95 : 27,152,792.19 = 5,805,931.28 : x - Step 2: Convert to fraction form
18,103,565.95/27,152,792.19 = 5,805,931.28/x - Step 3: Cross multiply
18,103,565.95x = 27,152,792.19 × 5,805,931.28 - Step 4: Simplify right side
18,103,565.95x = 157,647,245,448,378.03 - Step 5: Solve for x
x = 157,647,245,448,378.03/18,103,565.95 - Step 6: Final answer
x = 8,708,076.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.