Finding the Fourth Proportional to 8,970,672.24, 12,395,721.11 and 6,387,868.98
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Solution
The fourth proportional to 8,970,672.24, 12,395,721.11 and 6,387,868.98 is: 8,826,790.26
Step by Step Solution
- Step 1: Write the proportion equation
8,970,672.24 : 12,395,721.11 = 6,387,868.98 : x - Step 2: Convert to fraction form
8,970,672.24/12,395,721.11 = 6,387,868.98/x - Step 3: Cross multiply
8,970,672.24x = 12,395,721.11 × 6,387,868.98 - Step 4: Simplify right side
8,970,672.24x = 79,182,242,363,300.17 - Step 5: Solve for x
x = 79,182,242,363,300.17/8,970,672.24 - Step 6: Final answer
x = 8,826,790.26
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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.