Finding the Fourth Proportional to 27,579,135.36, 41,339,965.86 and 15,430,787.76
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Solution
The fourth proportional to 27,579,135.36, 41,339,965.86 and 15,430,787.76 is: 23,130,102.92
Step by Step Solution
- Step 1: Write the proportion equation
27,579,135.36 : 41,339,965.86 = 15,430,787.76 : x - Step 2: Convert to fraction form
27,579,135.36/41,339,965.86 = 15,430,787.76/x - Step 3: Cross multiply
27,579,135.36x = 41,339,965.86 × 15,430,787.76 - Step 4: Simplify right side
27,579,135.36x = 637,908,239,191,305.88 - Step 5: Solve for x
x = 637,908,239,191,305.88/27,579,135.36 - Step 6: Final answer
x = 23,130,102.92
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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.