Finding the Fourth Proportional to 21,720,106.80, 32,584,534.20 and 6,367,366.80
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Solution
The fourth proportional to 21,720,106.80, 32,584,534.20 and 6,367,366.80 is: 9,552,332.46
Step by Step Solution
- Step 1: Write the proportion equation
21,720,106.80 : 32,584,534.20 = 6,367,366.80 : x - Step 2: Convert to fraction form
21,720,106.80/32,584,534.20 = 6,367,366.80/x - Step 3: Cross multiply
21,720,106.80x = 32,584,534.20 × 6,367,366.80 - Step 4: Simplify right side
21,720,106.80x = 207,477,681,258,544.56 - Step 5: Solve for x
x = 207,477,681,258,544.56/21,720,106.80 - Step 6: Final answer
x = 9,552,332.46
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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.