Finding the Fourth Proportional to 26,848,727.92, 37,048,482.84 and 15,086,128.24
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Solution
The fourth proportional to 26,848,727.92, 37,048,482.84 and 15,086,128.24 is: 20,817,305.20
Step by Step Solution
- Step 1: Write the proportion equation
26,848,727.92 : 37,048,482.84 = 15,086,128.24 : x - Step 2: Convert to fraction form
26,848,727.92/37,048,482.84 = 15,086,128.24/x - Step 3: Cross multiply
26,848,727.92x = 37,048,482.84 × 15,086,128.24 - Step 4: Simplify right side
26,848,727.92x = 558,918,163,221,679.44 - Step 5: Solve for x
x = 558,918,163,221,679.44/26,848,727.92 - Step 6: Final answer
x = 20,817,305.20
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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.