Finding the Fourth Proportional to 40,720,567.29, 56,193,983.64 and 22,134,601.60
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Solution
The fourth proportional to 40,720,567.29, 56,193,983.64 and 22,134,601.60 is: 30,545,533.20
Step by Step Solution
- Step 1: Write the proportion equation
40,720,567.29 : 56,193,983.64 = 22,134,601.60 : x - Step 2: Convert to fraction form
40,720,567.29/56,193,983.64 = 22,134,601.60/x - Step 3: Cross multiply
40,720,567.29x = 56,193,983.64 × 22,134,601.60 - Step 4: Simplify right side
40,720,567.29x = 1,243,831,440,077,644.75 - Step 5: Solve for x
x = 1,243,831,440,077,644.75/40,720,567.29 - Step 6: Final answer
x = 30,545,533.20
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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.