Finding the Fourth Proportional to 29,659,558.31, 40,928,384.79 and 16,427,950.91
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Solution
The fourth proportional to 29,659,558.31, 40,928,384.79 and 16,427,950.91 is: 22,669,572.12
Step by Step Solution
- Step 1: Write the proportion equation
29,659,558.31 : 40,928,384.79 = 16,427,950.91 : x - Step 2: Convert to fraction form
29,659,558.31/40,928,384.79 = 16,427,950.91/x - Step 3: Cross multiply
29,659,558.31x = 40,928,384.79 × 16,427,950.91 - Step 4: Simplify right side
29,659,558.31x = 672,369,495,951,068.75 - Step 5: Solve for x
x = 672,369,495,951,068.75/29,659,558.31 - Step 6: Final answer
x = 22,669,572.12
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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.