Finding the Fourth Proportional to 42,193,390.68, 63,292,535.46 and 16,285,838.76
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Solution
The fourth proportional to 42,193,390.68, 63,292,535.46 and 16,285,838.76 is: 24,429,703.58
Step by Step Solution
- Step 1: Write the proportion equation
42,193,390.68 : 63,292,535.46 = 16,285,838.76 : x - Step 2: Convert to fraction form
42,193,390.68/63,292,535.46 = 16,285,838.76/x - Step 3: Cross multiply
42,193,390.68x = 63,292,535.46 × 16,285,838.76 - Step 4: Simplify right side
42,193,390.68x = 1,030,772,027,213,142.38 - Step 5: Solve for x
x = 1,030,772,027,213,142.38/42,193,390.68 - Step 6: Final answer
x = 24,429,703.58
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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.