Finding the Fourth Proportional to 32,258,047.80, 48,387,071.70 and 14,342,143.80
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Solution
The fourth proportional to 32,258,047.80, 48,387,071.70 and 14,342,143.80 is: 21,513,215.70
Step by Step Solution
- Step 1: Write the proportion equation
32,258,047.80 : 48,387,071.70 = 14,342,143.80 : x - Step 2: Convert to fraction form
32,258,047.80/48,387,071.70 = 14,342,143.80/x - Step 3: Cross multiply
32,258,047.80x = 48,387,071.70 × 14,342,143.80 - Step 4: Simplify right side
32,258,047.80x = 693,974,340,382,310.50 - Step 5: Solve for x
x = 693,974,340,382,310.50/32,258,047.80 - Step 6: Final answer
x = 21,513,215.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.