Finding the Fourth Proportional to 31,703,162.06, 47,539,753.94 and 12,281,484.26
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Solution
The fourth proportional to 31,703,162.06, 47,539,753.94 and 12,281,484.26 is: 18,416,419.75
Step by Step Solution
- Step 1: Write the proportion equation
31,703,162.06 : 47,539,753.94 = 12,281,484.26 : x - Step 2: Convert to fraction form
31,703,162.06/47,539,753.94 = 12,281,484.26/x - Step 3: Cross multiply
31,703,162.06x = 47,539,753.94 × 12,281,484.26 - Step 4: Simplify right side
31,703,162.06x = 583,858,739,887,936.12 - Step 5: Solve for x
x = 583,858,739,887,936.12/31,703,162.06 - Step 6: Final answer
x = 18,416,419.75
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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.