Finding the Fourth Proportional to 7,122,985.36, 10,685,475.96 and 2,331,051.28
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Solution
The fourth proportional to 7,122,985.36, 10,685,475.96 and 2,331,051.28 is: 3,496,903.50
Step by Step Solution
- Step 1: Write the proportion equation
7,122,985.36 : 10,685,475.96 = 2,331,051.28 : x - Step 2: Convert to fraction form
7,122,985.36/10,685,475.96 = 2,331,051.28/x - Step 3: Cross multiply
7,122,985.36x = 10,685,475.96 × 2,331,051.28 - Step 4: Simplify right side
7,122,985.36x = 24,908,392,413,967.23 - Step 5: Solve for x
x = 24,908,392,413,967.23/7,122,985.36 - Step 6: Final answer
x = 3,496,903.50
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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.