Finding the Fourth Proportional to 18,725,771.36, 28,088,656.70 and 5,262,599.36
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Solution
The fourth proportional to 18,725,771.36, 28,088,656.70 and 5,262,599.36 is: 7,893,898.94
Step by Step Solution
- Step 1: Write the proportion equation
18,725,771.36 : 28,088,656.70 = 5,262,599.36 : x - Step 2: Convert to fraction form
18,725,771.36/28,088,656.70 = 5,262,599.36/x - Step 3: Cross multiply
18,725,771.36x = 28,088,656.70 × 5,262,599.36 - Step 4: Simplify right side
18,725,771.36x = 147,819,346,772,679.72 - Step 5: Solve for x
x = 147,819,346,772,679.72/18,725,771.36 - Step 6: Final answer
x = 7,893,898.94
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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.