Finding the Fourth Proportional to 8,403,491.43, 12,605,683.86 and 2,646,675.23
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Solution
The fourth proportional to 8,403,491.43, 12,605,683.86 and 2,646,675.23 is: 3,970,153.53
Step by Step Solution
- Step 1: Write the proportion equation
8,403,491.43 : 12,605,683.86 = 2,646,675.23 : x - Step 2: Convert to fraction form
8,403,491.43/12,605,683.86 = 2,646,675.23/x - Step 3: Cross multiply
8,403,491.43x = 12,605,683.86 × 2,646,675.23 - Step 4: Simplify right side
8,403,491.43x = 33,363,151,166,444.37 - Step 5: Solve for x
x = 33,363,151,166,444.37/8,403,491.43 - Step 6: Final answer
x = 3,970,153.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.