Finding the Fourth Proportional to 29,349,509.29, 40,507,305.99 and 16,966,780.90
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Solution
The fourth proportional to 29,349,509.29, 40,507,305.99 and 16,966,780.90 is: 23,417,038.38
Step by Step Solution
- Step 1: Write the proportion equation
29,349,509.29 : 40,507,305.99 = 16,966,780.90 : x - Step 2: Convert to fraction form
29,349,509.29/40,507,305.99 = 16,966,780.90/x - Step 3: Cross multiply
29,349,509.29x = 40,507,305.99 × 16,966,780.90 - Step 4: Simplify right side
29,349,509.29x = 687,278,585,379,051.12 - Step 5: Solve for x
x = 687,278,585,379,051.12/29,349,509.29 - Step 6: Final answer
x = 23,417,038.38
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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.