Finding the Fourth Proportional to 27,158,303.40, 37,479,444.18 and 15,558,108.84
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Solution
The fourth proportional to 27,158,303.40, 37,479,444.18 and 15,558,108.84 is: 21,470,754.75
Step by Step Solution
- Step 1: Write the proportion equation
27,158,303.40 : 37,479,444.18 = 15,558,108.84 : x - Step 2: Convert to fraction form
27,158,303.40/37,479,444.18 = 15,558,108.84/x - Step 3: Cross multiply
27,158,303.40x = 37,479,444.18 × 15,558,108.84 - Step 4: Simplify right side
27,158,303.40x = 583,109,271,815,144.50 - Step 5: Solve for x
x = 583,109,271,815,144.50/27,158,303.40 - Step 6: Final answer
x = 21,470,754.75
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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.