Finding the Fourth Proportional to 48,980,612.85, 73,471,070.35 and 12,092,507.07
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Solution
The fourth proportional to 48,980,612.85, 73,471,070.35 and 12,092,507.07 is: 18,138,797.90
Step by Step Solution
- Step 1: Write the proportion equation
48,980,612.85 : 73,471,070.35 = 12,092,507.07 : x - Step 2: Convert to fraction form
48,980,612.85/73,471,070.35 = 12,092,507.07/x - Step 3: Cross multiply
48,980,612.85x = 73,471,070.35 × 12,092,507.07 - Step 4: Simplify right side
48,980,612.85x = 888,449,437,387,441.38 - Step 5: Solve for x
x = 888,449,437,387,441.38/48,980,612.85 - Step 6: Final answer
x = 18,138,797.90
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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.