Finding the Fourth Proportional to 36,905,703.20, 50,931,417.68 and 21,224,739.94
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Solution
The fourth proportional to 36,905,703.20, 50,931,417.68 and 21,224,739.94 is: 29,291,030.95
Step by Step Solution
- Step 1: Write the proportion equation
36,905,703.20 : 50,931,417.68 = 21,224,739.94 : x - Step 2: Convert to fraction form
36,905,703.20/50,931,417.68 = 21,224,739.94/x - Step 3: Cross multiply
36,905,703.20x = 50,931,417.68 × 21,224,739.94 - Step 4: Simplify right side
36,905,703.20x = 1,081,006,094,959,251.38 - Step 5: Solve for x
x = 1,081,006,094,959,251.38/36,905,703.20 - Step 6: Final answer
x = 29,291,030.95
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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.