Finding the Fourth Proportional to 40,724,899.08, 56,198,914.72 and 22,390,051.08
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Solution
The fourth proportional to 40,724,899.08, 56,198,914.72 and 22,390,051.08 is: 30,897,475.49
Step by Step Solution
- Step 1: Write the proportion equation
40,724,899.08 : 56,198,914.72 = 22,390,051.08 : x - Step 2: Convert to fraction form
40,724,899.08/56,198,914.72 = 22,390,051.08/x - Step 3: Cross multiply
40,724,899.08x = 56,198,914.72 × 22,390,051.08 - Step 4: Simplify right side
40,724,899.08x = 1,258,296,571,221,363.75 - Step 5: Solve for x
x = 1,258,296,571,221,363.75/40,724,899.08 - Step 6: Final answer
x = 30,897,475.49
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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.