Finding the Fourth Proportional to 14,686,313.28, 20,266,655.16 and 8,070,886.08
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Solution
The fourth proportional to 14,686,313.28, 20,266,655.16 and 8,070,886.08 is: 11,137,571.55
Step by Step Solution
- Step 1: Write the proportion equation
14,686,313.28 : 20,266,655.16 = 8,070,886.08 : x - Step 2: Convert to fraction form
14,686,313.28/20,266,655.16 = 8,070,886.08/x - Step 3: Cross multiply
14,686,313.28x = 20,266,655.16 × 8,070,886.08 - Step 4: Simplify right side
14,686,313.28x = 163,569,865,019,004.19 - Step 5: Solve for x
x = 163,569,865,019,004.19/14,686,313.28 - Step 6: Final answer
x = 11,137,571.55
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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.