Finding the Fourth Proportional to 49,280,423.16, 73,868,507.74 and 18,561,711
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Solution
The fourth proportional to 49,280,423.16, 73,868,507.74 and 18,561,711 is: 27,822,932.61
Step by Step Solution
- Step 1: Write the proportion equation
49,280,423.16 : 73,868,507.74 = 18,561,711 : x - Step 2: Convert to fraction form
49,280,423.16/73,868,507.74 = 18,561,711/x - Step 3: Cross multiply
49,280,423.16x = 73,868,507.74 × 18,561,711 - Step 4: Simplify right side
49,280,423.16x = 1,371,125,892,671,143 - Step 5: Solve for x
x = 1,371,125,892,671,143/49,280,423.16 - Step 6: Final answer
x = 27,822,932.61
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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.