Finding the Fourth Proportional to 38,585,434.62, 53,245,944.24 and 22,905,129.36
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Solution
The fourth proportional to 38,585,434.62, 53,245,944.24 and 22,905,129.36 is: 31,607,917.67
Step by Step Solution
- Step 1: Write the proportion equation
38,585,434.62 : 53,245,944.24 = 22,905,129.36 : x - Step 2: Convert to fraction form
38,585,434.62/53,245,944.24 = 22,905,129.36/x - Step 3: Cross multiply
38,585,434.62x = 53,245,944.24 × 22,905,129.36 - Step 4: Simplify right side
38,585,434.62x = 1,219,605,240,712,547 - Step 5: Solve for x
x = 1,219,605,240,712,547/38,585,434.62 - Step 6: Final answer
x = 31,607,917.67
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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.