Finding the Fourth Proportional to 56,905,879.36, 85,359,043.16 and 13,775,013.48
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Solution
The fourth proportional to 56,905,879.36, 85,359,043.16 and 13,775,013.48 is: 20,662,574.47
Step by Step Solution
- Step 1: Write the proportion equation
56,905,879.36 : 85,359,043.16 = 13,775,013.48 : x - Step 2: Convert to fraction form
56,905,879.36/85,359,043.16 = 13,775,013.48/x - Step 3: Cross multiply
56,905,879.36x = 85,359,043.16 × 13,775,013.48 - Step 4: Simplify right side
56,905,879.36x = 1,175,821,970,168,901.75 - Step 5: Solve for x
x = 1,175,821,970,168,901.75/56,905,879.36 - Step 6: Final answer
x = 20,662,574.47
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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.