Finding the Fourth Proportional to 19,574,423.40, 27,460,879.80 and 19,574,423.40
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Solution
The fourth proportional to 19,574,423.40, 27,460,879.80 and 19,574,423.40 is: 27,460,879.80
Step by Step Solution
- Step 1: Write the proportion equation
19,574,423.40 : 27,460,879.80 = 19,574,423.40 : x - Step 2: Convert to fraction form
19,574,423.40/27,460,879.80 = 19,574,423.40/x - Step 3: Cross multiply
19,574,423.40x = 27,460,879.80 × 19,574,423.40 - Step 4: Simplify right side
19,574,423.40x = 537,530,888,141,707.31 - Step 5: Solve for x
x = 537,530,888,141,707.31/19,574,423.40 - Step 6: Final answer
x = 27,460,879.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.