Finding the Fourth Proportional to 12,070,420.48, 16,656,848.08 and 6,637,912.48
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Solution
The fourth proportional to 12,070,420.48, 16,656,848.08 and 6,637,912.48 is: 9,160,136.54
Step by Step Solution
- Step 1: Write the proportion equation
12,070,420.48 : 16,656,848.08 = 6,637,912.48 : x - Step 2: Convert to fraction form
12,070,420.48/16,656,848.08 = 6,637,912.48/x - Step 3: Cross multiply
12,070,420.48x = 16,656,848.08 × 6,637,912.48 - Step 4: Simplify right side
12,070,420.48x = 110,566,699,747,696.05 - Step 5: Solve for x
x = 110,566,699,747,696.05/12,070,420.48 - Step 6: Final answer
x = 9,160,136.54
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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.