Finding the Fourth Proportional to 38,663,937.14, 53,354,798.97 and 21,259,246.82
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Solution
The fourth proportional to 38,663,937.14, 53,354,798.97 and 21,259,246.82 is: 29,336,971.98
Step by Step Solution
- Step 1: Write the proportion equation
38,663,937.14 : 53,354,798.97 = 21,259,246.82 : x - Step 2: Convert to fraction form
38,663,937.14/53,354,798.97 = 21,259,246.82/x - Step 3: Cross multiply
38,663,937.14x = 53,354,798.97 × 21,259,246.82 - Step 4: Simplify right side
38,663,937.14x = 1,134,282,840,334,711.75 - Step 5: Solve for x
x = 1,134,282,840,334,711.75/38,663,937.14 - Step 6: Final answer
x = 29,336,971.98
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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.