Finding the Fourth Proportional to 27,816,898.52, 38,389,677.88 and 15,430,982.68
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Solution
The fourth proportional to 27,816,898.52, 38,389,677.88 and 15,430,982.68 is: 21,296,064.12
Step by Step Solution
- Step 1: Write the proportion equation
27,816,898.52 : 38,389,677.88 = 15,430,982.68 : x - Step 2: Convert to fraction form
27,816,898.52/38,389,677.88 = 15,430,982.68/x - Step 3: Cross multiply
27,816,898.52x = 38,389,677.88 × 15,430,982.68 - Step 4: Simplify right side
27,816,898.52x = 592,390,454,457,059.12 - Step 5: Solve for x
x = 592,390,454,457,059.12/27,816,898.52 - Step 6: Final answer
x = 21,296,064.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.