Finding the Fourth Proportional to 29,122,321.80, 43,683,482.70 and 17,784,913.80
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Solution
The fourth proportional to 29,122,321.80, 43,683,482.70 and 17,784,913.80 is: 26,677,370.70
Step by Step Solution
- Step 1: Write the proportion equation
29,122,321.80 : 43,683,482.70 = 17,784,913.80 : x - Step 2: Convert to fraction form
29,122,321.80/43,683,482.70 = 17,784,913.80/x - Step 3: Cross multiply
29,122,321.80x = 43,683,482.70 × 17,784,913.80 - Step 4: Simplify right side
29,122,321.80x = 776,906,974,303,291.38 - Step 5: Solve for x
x = 776,906,974,303,291.38/29,122,321.80 - Step 6: Final answer
x = 26,677,370.70
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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.