Finding the Fourth Proportional to 26,378,889.68, 39,569,112.12 and 22,516,358.96
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Solution
The fourth proportional to 26,378,889.68, 39,569,112.12 and 22,516,358.96 is: 33,775,202.18
Step by Step Solution
- Step 1: Write the proportion equation
26,378,889.68 : 39,569,112.12 = 22,516,358.96 : x - Step 2: Convert to fraction form
26,378,889.68/39,569,112.12 = 22,516,358.96/x - Step 3: Cross multiply
26,378,889.68x = 39,569,112.12 × 22,516,358.96 - Step 4: Simplify right side
26,378,889.68x = 890,952,332,222,406.62 - Step 5: Solve for x
x = 890,952,332,222,406.62/26,378,889.68 - Step 6: Final answer
x = 33,775,202.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.