Finding the Fourth Proportional to 16,913,289.14, 23,340,354.27 and 9,178,331.54
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Solution
The fourth proportional to 16,913,289.14, 23,340,354.27 and 9,178,331.54 is: 12,666,105.80
Step by Step Solution
- Step 1: Write the proportion equation
16,913,289.14 : 23,340,354.27 = 9,178,331.54 : x - Step 2: Convert to fraction form
16,913,289.14/23,340,354.27 = 9,178,331.54/x - Step 3: Cross multiply
16,913,289.14x = 23,340,354.27 × 9,178,331.54 - Step 4: Simplify right side
16,913,289.14x = 214,225,509,651,622.28 - Step 5: Solve for x
x = 214,225,509,651,622.28/16,913,289.14 - Step 6: Final answer
x = 12,666,105.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.