Finding the Fourth Proportional to 38,827,963.20, 58,279,269.60 and 19,680,340.80
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Solution
The fourth proportional to 38,827,963.20, 58,279,269.60 and 19,680,340.80 is: 29,539,429.65
Step by Step Solution
- Step 1: Write the proportion equation
38,827,963.20 : 58,279,269.60 = 19,680,340.80 : x - Step 2: Convert to fraction form
38,827,963.20/58,279,269.60 = 19,680,340.80/x - Step 3: Cross multiply
38,827,963.20x = 58,279,269.60 × 19,680,340.80 - Step 4: Simplify right side
38,827,963.20x = 1,146,955,887,303,079.75 - Step 5: Solve for x
x = 1,146,955,887,303,079.75/38,827,963.20 - Step 6: Final answer
x = 29,539,429.65
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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.