Finding the Fourth Proportional to 32,497,778.46, 44,820,784.71 and 28,569,134.82
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Solution
The fourth proportional to 32,497,778.46, 44,820,784.71 and 28,569,134.82 is: 39,402,417.70
Step by Step Solution
- Step 1: Write the proportion equation
32,497,778.46 : 44,820,784.71 = 28,569,134.82 : x - Step 2: Convert to fraction form
32,497,778.46/44,820,784.71 = 28,569,134.82/x - Step 3: Cross multiply
32,497,778.46x = 44,820,784.71 × 28,569,134.82 - Step 4: Simplify right side
32,497,778.46x = 1,280,491,041,118,184.75 - Step 5: Solve for x
x = 1,280,491,041,118,184.75/32,497,778.46 - Step 6: Final answer
x = 39,402,417.70
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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.