Finding the Fourth Proportional to 16,389,259.60, 22,618,430.49 and 9,048,506.62
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Solution
The fourth proportional to 16,389,259.60, 22,618,430.49 and 9,048,506.62 is: 12,487,630.50
Step by Step Solution
- Step 1: Write the proportion equation
16,389,259.60 : 22,618,430.49 = 9,048,506.62 : x - Step 2: Convert to fraction form
16,389,259.60/22,618,430.49 = 9,048,506.62/x - Step 3: Cross multiply
16,389,259.60x = 22,618,430.49 × 9,048,506.62 - Step 4: Simplify right side
16,389,259.60x = 204,663,018,022,774.81 - Step 5: Solve for x
x = 204,663,018,022,774.81/16,389,259.60 - Step 6: Final answer
x = 12,487,630.50
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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.