Finding the Fourth Proportional to 42,438,820.76, 63,612,908.82 and 24,203,751.46
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Solution
The fourth proportional to 42,438,820.76, 63,612,908.82 and 24,203,751.46 is: 36,279,778.92
Step by Step Solution
- Step 1: Write the proportion equation
42,438,820.76 : 63,612,908.82 = 24,203,751.46 : x - Step 2: Convert to fraction form
42,438,820.76/63,612,908.82 = 24,203,751.46/x - Step 3: Cross multiply
42,438,820.76x = 63,612,908.82 × 24,203,751.46 - Step 4: Simplify right side
42,438,820.76x = 1,539,671,034,726,922 - Step 5: Solve for x
x = 1,539,671,034,726,922/42,438,820.76 - Step 6: Final answer
x = 36,279,778.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.