Finding the Fourth Proportional to 19,272,777.32, 28,900,197.97 and 7,138,982.84
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Solution
The fourth proportional to 19,272,777.32, 28,900,197.97 and 7,138,982.84 is: 10,705,152.35
Step by Step Solution
- Step 1: Write the proportion equation
19,272,777.32 : 28,900,197.97 = 7,138,982.84 : x - Step 2: Convert to fraction form
19,272,777.32/28,900,197.97 = 7,138,982.84/x - Step 3: Cross multiply
19,272,777.32x = 28,900,197.97 × 7,138,982.84 - Step 4: Simplify right side
19,272,777.32x = 206,318,017,380,432.81 - Step 5: Solve for x
x = 206,318,017,380,432.81/19,272,777.32 - Step 6: Final answer
x = 10,705,152.35
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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.