Finding the Fourth Proportional to 13,192,139.04, 18,207,073.80 and 7,391,312.88
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Solution
The fourth proportional to 13,192,139.04, 18,207,073.80 and 7,391,312.88 is: 10,201,088.59
Step by Step Solution
- Step 1: Write the proportion equation
13,192,139.04 : 18,207,073.80 = 7,391,312.88 : x - Step 2: Convert to fraction form
13,192,139.04/18,207,073.80 = 7,391,312.88/x - Step 3: Cross multiply
13,192,139.04x = 18,207,073.80 × 7,391,312.88 - Step 4: Simplify right side
13,192,139.04x = 134,574,179,085,050.55 - Step 5: Solve for x
x = 134,574,179,085,050.55/13,192,139.04 - Step 6: Final answer
x = 10,201,088.59
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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.