Finding the Fourth Proportional to 16,580,964.47, 22,881,821.74 and 9,615,771.70
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Solution
The fourth proportional to 16,580,964.47, 22,881,821.74 and 9,615,771.70 is: 13,269,817.59
Step by Step Solution
- Step 1: Write the proportion equation
16,580,964.47 : 22,881,821.74 = 9,615,771.70 : x - Step 2: Convert to fraction form
16,580,964.47/22,881,821.74 = 9,615,771.70/x - Step 3: Cross multiply
16,580,964.47x = 22,881,821.74 × 9,615,771.70 - Step 4: Simplify right side
16,580,964.47x = 220,026,373,850,692.78 - Step 5: Solve for x
x = 220,026,373,850,692.78/16,580,964.47 - Step 6: Final answer
x = 13,269,817.59
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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.