Finding the Fourth Proportional to 53,239,502.48, 73,470,562.76 and 28,793,216.40
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Solution
The fourth proportional to 53,239,502.48, 73,470,562.76 and 28,793,216.40 is: 39,734,665.31
Step by Step Solution
- Step 1: Write the proportion equation
53,239,502.48 : 73,470,562.76 = 28,793,216.40 : x - Step 2: Convert to fraction form
53,239,502.48/73,470,562.76 = 28,793,216.40/x - Step 3: Cross multiply
53,239,502.48x = 73,470,562.76 × 28,793,216.40 - Step 4: Simplify right side
53,239,502.48x = 2,115,453,812,578,461.25 - Step 5: Solve for x
x = 2,115,453,812,578,461.25/53,239,502.48 - Step 6: Final answer
x = 39,734,665.31
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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.