Finding the Fourth Proportional to 10,316,983.68, 14,222,432.04 and 7,209,860.52
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Solution
The fourth proportional to 10,316,983.68, 14,222,432.04 and 7,209,860.52 is: 9,939,121.20
Step by Step Solution
- Step 1: Write the proportion equation
10,316,983.68 : 14,222,432.04 = 7,209,860.52 : x - Step 2: Convert to fraction form
10,316,983.68/14,222,432.04 = 7,209,860.52/x - Step 3: Cross multiply
10,316,983.68x = 14,222,432.04 × 7,209,860.52 - Step 4: Simplify right side
10,316,983.68x = 102,541,751,263,579.05 - Step 5: Solve for x
x = 102,541,751,263,579.05/10,316,983.68 - Step 6: Final answer
x = 9,939,121.20
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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.