Finding the Fourth Proportional to 9,016,962.24, 12,436,152.30 and 7,926,903.12
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Solution
The fourth proportional to 9,016,962.24, 12,436,152.30 and 7,926,903.12 is: 10,932,747.84
Step by Step Solution
- Step 1: Write the proportion equation
9,016,962.24 : 12,436,152.30 = 7,926,903.12 : x - Step 2: Convert to fraction form
9,016,962.24/12,436,152.30 = 7,926,903.12/x - Step 3: Cross multiply
9,016,962.24x = 12,436,152.30 × 7,926,903.12 - Step 4: Simplify right side
9,016,962.24x = 98,580,174,467,665.19 - Step 5: Solve for x
x = 98,580,174,467,665.19/9,016,962.24 - Step 6: Final answer
x = 10,932,747.84
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1.5x scale
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.