Finding the Fourth Proportional to 23,563,045.92, 32,517,197.12 and 13,249,678.80
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Solution
The fourth proportional to 23,563,045.92, 32,517,197.12 and 13,249,678.80 is: 18,284,665.69
Step by Step Solution
- Step 1: Write the proportion equation
23,563,045.92 : 32,517,197.12 = 13,249,678.80 : x - Step 2: Convert to fraction form
23,563,045.92/32,517,197.12 = 13,249,678.80/x - Step 3: Cross multiply
23,563,045.92x = 32,517,197.12 × 13,249,678.80 - Step 4: Simplify right side
23,563,045.92x = 430,842,417,316,285.12 - Step 5: Solve for x
x = 430,842,417,316,285.12/23,563,045.92 - Step 6: Final answer
x = 18,284,665.69
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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.