Finding the Fourth Proportional to 73,807,872.10, 110,711,808.15 and 19,220,352.10
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Solution
The fourth proportional to 73,807,872.10, 110,711,808.15 and 19,220,352.10 is: 28,830,528.15
Step by Step Solution
- Step 1: Write the proportion equation
73,807,872.10 : 110,711,808.15 = 19,220,352.10 : x - Step 2: Convert to fraction form
73,807,872.10/110,711,808.15 = 19,220,352.10/x - Step 3: Cross multiply
73,807,872.10x = 110,711,808.15 × 19,220,352.10 - Step 4: Simplify right side
73,807,872.10x = 2,127,919,934,270,650 - Step 5: Solve for x
x = 2,127,919,934,270,650/73,807,872.10 - Step 6: Final answer
x = 28,830,528.15
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1.5x scale
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.