Finding the Fourth Proportional to 29,661,551.79, 40,933,268.86 and 16,430,931.36
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Solution
The fourth proportional to 29,661,551.79, 40,933,268.86 and 16,430,931.36 is: 22,674,866.63
Step by Step Solution
- Step 1: Write the proportion equation
29,661,551.79 : 40,933,268.86 = 16,430,931.36 : x - Step 2: Convert to fraction form
29,661,551.79/40,933,268.86 = 16,430,931.36/x - Step 3: Cross multiply
29,661,551.79x = 40,933,268.86 × 16,430,931.36 - Step 4: Simplify right side
29,661,551.79x = 672,571,730,979,085.38 - Step 5: Solve for x
x = 672,571,730,979,085.38/29,661,551.79 - Step 6: Final answer
x = 22,674,866.63
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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.