Finding the Fourth Proportional to 10,195,122.42, 15,292,724.87 and 4,129,968.87
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Solution
The fourth proportional to 10,195,122.42, 15,292,724.87 and 4,129,968.87 is: 6,194,970.00
Step by Step Solution
- Step 1: Write the proportion equation
10,195,122.42 : 15,292,724.87 = 4,129,968.87 : x - Step 2: Convert to fraction form
10,195,122.42/15,292,724.87 = 4,129,968.87/x - Step 3: Cross multiply
10,195,122.42x = 15,292,724.87 × 4,129,968.87 - Step 4: Simplify right side
10,195,122.42x = 63,158,477,553,461.34 - Step 5: Solve for x
x = 63,158,477,553,461.34/10,195,122.42 - Step 6: Final answer
x = 6,194,970.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.