Finding the Fourth Proportional to 9,893,487.80, 14,840,231.70 and 4,854,639.80
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Solution
The fourth proportional to 9,893,487.80, 14,840,231.70 and 4,854,639.80 is: 7,281,959.70
Step by Step Solution
- Step 1: Write the proportion equation
9,893,487.80 : 14,840,231.70 = 4,854,639.80 : x - Step 2: Convert to fraction form
9,893,487.80/14,840,231.70 = 4,854,639.80/x - Step 3: Cross multiply
9,893,487.80x = 14,840,231.70 × 4,854,639.80 - Step 4: Simplify right side
9,893,487.80x = 72,043,979,452,041.66 - Step 5: Solve for x
x = 72,043,979,452,041.66/9,893,487.80 - Step 6: Final answer
x = 7,281,959.70
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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.