Finding the Fourth Proportional to 13,369,992.36, 18,450,803.88 and 7,258,416
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Solution
The fourth proportional to 13,369,992.36, 18,450,803.88 and 7,258,416 is: 10,016,730.49
Step by Step Solution
- Step 1: Write the proportion equation
13,369,992.36 : 18,450,803.88 = 7,258,416 : x - Step 2: Convert to fraction form
13,369,992.36/18,450,803.88 = 7,258,416/x - Step 3: Cross multiply
13,369,992.36x = 18,450,803.88 × 7,258,416 - Step 4: Simplify right side
13,369,992.36x = 133,923,610,095,454.08 - Step 5: Solve for x
x = 133,923,610,095,454.08/13,369,992.36 - Step 6: Final answer
x = 10,016,730.49
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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.