Finding the Fourth Proportional to 22,072,258.80, 30,462,368.84 and 13,370,176.08
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Solution
The fourth proportional to 22,072,258.80, 30,462,368.84 and 13,370,176.08 is: 18,452,449.24
Step by Step Solution
- Step 1: Write the proportion equation
22,072,258.80 : 30,462,368.84 = 13,370,176.08 : x - Step 2: Convert to fraction form
22,072,258.80/30,462,368.84 = 13,370,176.08/x - Step 3: Cross multiply
22,072,258.80x = 30,462,368.84 × 13,370,176.08 - Step 4: Simplify right side
22,072,258.80x = 407,287,235,204,705.38 - Step 5: Solve for x
x = 407,287,235,204,705.38/22,072,258.80 - Step 6: Final answer
x = 18,452,449.24
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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.