Finding the Fourth Proportional to 18,518,210.52, 25,554,853.74 and 10,258,248.08
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Solution
The fourth proportional to 18,518,210.52, 25,554,853.74 and 10,258,248.08 is: 14,156,229.03
Step by Step Solution
- Step 1: Write the proportion equation
18,518,210.52 : 25,554,853.74 = 10,258,248.08 : x - Step 2: Convert to fraction form
18,518,210.52/25,554,853.74 = 10,258,248.08/x - Step 3: Cross multiply
18,518,210.52x = 25,554,853.74 × 10,258,248.08 - Step 4: Simplify right side
18,518,210.52x = 262,148,029,313,035.81 - Step 5: Solve for x
x = 262,148,029,313,035.81/18,518,210.52 - Step 6: Final answer
x = 14,156,229.03
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1.5x scale
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.