Finding the Fourth Proportional to 23,203,047.20, 32,022,988.66 and 13,915,726.62
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Solution
The fourth proportional to 23,203,047.20, 32,022,988.66 and 13,915,726.62 is: 19,205,372.12
Step by Step Solution
- Step 1: Write the proportion equation
23,203,047.20 : 32,022,988.66 = 13,915,726.62 : x - Step 2: Convert to fraction form
23,203,047.20/32,022,988.66 = 13,915,726.62/x - Step 3: Cross multiply
23,203,047.20x = 32,022,988.66 × 13,915,726.62 - Step 4: Simplify right side
23,203,047.20x = 445,623,155,747,920.12 - Step 5: Solve for x
x = 445,623,155,747,920.12/23,203,047.20 - Step 6: Final answer
x = 19,205,372.12
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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.