Finding the Fourth Proportional to 23,340,718.09, 32,180,242.79 and 19,138,920.42
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Solution
The fourth proportional to 23,340,718.09, 32,180,242.79 and 19,138,920.42 is: 26,387,153.27
Step by Step Solution
- Step 1: Write the proportion equation
23,340,718.09 : 32,180,242.79 = 19,138,920.42 : x - Step 2: Convert to fraction form
23,340,718.09/32,180,242.79 = 19,138,920.42/x - Step 3: Cross multiply
23,340,718.09x = 32,180,242.79 × 19,138,920.42 - Step 4: Simplify right side
23,340,718.09x = 615,895,105,707,051.50 - Step 5: Solve for x
x = 615,895,105,707,051.50/23,340,718.09 - Step 6: Final answer
x = 26,387,153.27
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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.