Finding the Fourth Proportional to 28,979,562.84, 39,992,263.51 and 16,589,606.42
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Solution
The fourth proportional to 28,979,562.84, 39,992,263.51 and 16,589,606.42 is: 22,893,924.07
Step by Step Solution
- Step 1: Write the proportion equation
28,979,562.84 : 39,992,263.51 = 16,589,606.42 : x - Step 2: Convert to fraction form
28,979,562.84/39,992,263.51 = 16,589,606.42/x - Step 3: Cross multiply
28,979,562.84x = 39,992,263.51 × 16,589,606.42 - Step 4: Simplify right side
28,979,562.84x = 663,455,911,234,392.38 - Step 5: Solve for x
x = 663,455,911,234,392.38/28,979,562.84 - Step 6: Final answer
x = 22,893,924.07
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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.