Finding the Fourth Proportional to 51,833,486.38, 71,529,785.94 and 28,312,038.13
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Solution
The fourth proportional to 51,833,486.38, 71,529,785.94 and 28,312,038.13 is: 39,070,380.34
Step by Step Solution
- Step 1: Write the proportion equation
51,833,486.38 : 71,529,785.94 = 28,312,038.13 : x - Step 2: Convert to fraction form
51,833,486.38/71,529,785.94 = 28,312,038.13/x - Step 3: Cross multiply
51,833,486.38x = 71,529,785.94 × 28,312,038.13 - Step 4: Simplify right side
51,833,486.38x = 2,025,154,026,964,017.75 - Step 5: Solve for x
x = 2,025,154,026,964,017.75/51,833,486.38 - Step 6: Final answer
x = 39,070,380.34
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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.