Finding the Fourth Proportional to 40,535,472.02, 55,942,952.19 and 23,134,420.62
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Solution
The fourth proportional to 40,535,472.02, 55,942,952.19 and 23,134,420.62 is: 31,927,783.80
Step by Step Solution
- Step 1: Write the proportion equation
40,535,472.02 : 55,942,952.19 = 23,134,420.62 : x - Step 2: Convert to fraction form
40,535,472.02/55,942,952.19 = 23,134,420.62/x - Step 3: Cross multiply
40,535,472.02x = 55,942,952.19 × 23,134,420.62 - Step 4: Simplify right side
40,535,472.02x = 1,294,207,786,688,010.25 - Step 5: Solve for x
x = 1,294,207,786,688,010.25/40,535,472.02 - Step 6: Final answer
x = 31,927,783.80
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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.