Finding the Fourth Proportional to 53,239,298.49, 73,470,280.91 and 28,793,012.49
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Solution
The fourth proportional to 53,239,298.49, 73,470,280.91 and 28,793,012.49 is: 39,734,383.73
Step by Step Solution
- Step 1: Write the proportion equation
53,239,298.49 : 73,470,280.91 = 28,793,012.49 : x - Step 2: Convert to fraction form
53,239,298.49/73,470,280.91 = 28,793,012.49/x - Step 3: Cross multiply
53,239,298.49x = 73,470,280.91 × 28,793,012.49 - Step 4: Simplify right side
53,239,298.49x = 2,115,430,715,741,473.50 - Step 5: Solve for x
x = 2,115,430,715,741,473.50/53,239,298.49 - Step 6: Final answer
x = 39,734,383.73
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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.