Finding the Fourth Proportional to 38,357,902.48, 57,537,352.50 and 12,798,911.92
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Solution
The fourth proportional to 38,357,902.48, 57,537,352.50 and 12,798,911.92 is: 19,198,534.31
Step by Step Solution
- Step 1: Write the proportion equation
38,357,902.48 : 57,537,352.50 = 12,798,911.92 : x - Step 2: Convert to fraction form
38,357,902.48/57,537,352.50 = 12,798,911.92/x - Step 3: Cross multiply
38,357,902.48x = 57,537,352.50 × 12,798,911.92 - Step 4: Simplify right side
38,357,902.48x = 736,415,506,757,491.75 - Step 5: Solve for x
x = 736,415,506,757,491.75/38,357,902.48 - Step 6: Final answer
x = 19,198,534.31
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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.