Finding the Fourth Proportional to 49,564,535.58, 68,403,915.99 and 28,657,457.10
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Solution
The fourth proportional to 49,564,535.58, 68,403,915.99 and 28,657,457.10 is: 39,550,098.98
Step by Step Solution
- Step 1: Write the proportion equation
49,564,535.58 : 68,403,915.99 = 28,657,457.10 : x - Step 2: Convert to fraction form
49,564,535.58/68,403,915.99 = 28,657,457.10/x - Step 3: Cross multiply
49,564,535.58x = 68,403,915.99 × 28,657,457.10 - Step 4: Simplify right side
49,564,535.58x = 1,960,282,287,955,429 - Step 5: Solve for x
x = 1,960,282,287,955,429/49,564,535.58 - Step 6: Final answer
x = 39,550,098.98
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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.