Finding the Fourth Proportional to 27,967,138.38, 38,595,693.24 and 15,408,703.98
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Solution
The fourth proportional to 27,967,138.38, 38,595,693.24 and 15,408,703.98 is: 21,264,585.74
Step by Step Solution
- Step 1: Write the proportion equation
27,967,138.38 : 38,595,693.24 = 15,408,703.98 : x - Step 2: Convert to fraction form
27,967,138.38/38,595,693.24 = 15,408,703.98/x - Step 3: Cross multiply
27,967,138.38x = 38,595,693.24 × 15,408,703.98 - Step 4: Simplify right side
27,967,138.38x = 594,709,612,038,047.12 - Step 5: Solve for x
x = 594,709,612,038,047.12/27,967,138.38 - Step 6: Final answer
x = 21,264,585.74
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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.