Finding the Fourth Proportional to 53,239,353.62, 73,470,357.11 and 28,793,067.62
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Solution
The fourth proportional to 53,239,353.62, 73,470,357.11 and 28,793,067.62 is: 39,734,459.88
Step by Step Solution
- Step 1: Write the proportion equation
53,239,353.62 : 73,470,357.11 = 28,793,067.62 : x - Step 2: Convert to fraction form
53,239,353.62/73,470,357.11 = 28,793,067.62/x - Step 3: Cross multiply
53,239,353.62x = 73,470,357.11 × 28,793,067.62 - Step 4: Simplify right side
53,239,353.62x = 2,115,436,960,038,408.50 - Step 5: Solve for x
x = 2,115,436,960,038,408.50/53,239,353.62 - Step 6: Final answer
x = 39,734,459.88
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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.