Finding the Fourth Proportional to 26,916,609.60, 37,139,949.36 and 15,313,495.68
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Solution
The fourth proportional to 26,916,609.60, 37,139,949.36 and 15,313,495.68 is: 21,129,795.41
Step by Step Solution
- Step 1: Write the proportion equation
26,916,609.60 : 37,139,949.36 = 15,313,495.68 : x - Step 2: Convert to fraction form
26,916,609.60/37,139,949.36 = 15,313,495.68/x - Step 3: Cross multiply
26,916,609.60x = 37,139,949.36 × 15,313,495.68 - Step 4: Simplify right side
26,916,609.60x = 568,742,454,079,778.75 - Step 5: Solve for x
x = 568,742,454,079,778.75/26,916,609.60 - Step 6: Final answer
x = 21,129,795.41
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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.