Finding the Fourth Proportional to 29,813,897.12, 41,142,930.68 and 16,761,214.20
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Solution
The fourth proportional to 29,813,897.12, 41,142,930.68 and 16,761,214.20 is: 23,130,336.54
Step by Step Solution
- Step 1: Write the proportion equation
29,813,897.12 : 41,142,930.68 = 16,761,214.20 : x - Step 2: Convert to fraction form
29,813,897.12/41,142,930.68 = 16,761,214.20/x - Step 3: Cross multiply
29,813,897.12x = 41,142,930.68 × 16,761,214.20 - Step 4: Simplify right side
29,813,897.12x = 689,605,473,943,231.62 - Step 5: Solve for x
x = 689,605,473,943,231.62/29,813,897.12 - Step 6: Final answer
x = 23,130,336.54
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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.