Finding the Fourth Proportional to 12,308,852.35, 18,446,774.47 and 9,579,695.05
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Solution
The fourth proportional to 12,308,852.35, 18,446,774.47 and 9,579,695.05 is: 14,356,697.85
Step by Step Solution
- Step 1: Write the proportion equation
12,308,852.35 : 18,446,774.47 = 9,579,695.05 : x - Step 2: Convert to fraction form
12,308,852.35/18,446,774.47 = 9,579,695.05/x - Step 3: Cross multiply
12,308,852.35x = 18,446,774.47 × 9,579,695.05 - Step 4: Simplify right side
12,308,852.35x = 176,714,474,008,659.19 - Step 5: Solve for x
x = 176,714,474,008,659.19/12,308,852.35 - Step 6: Final answer
x = 14,356,697.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.