Finding the Fourth Proportional to 8,970,671.99, 12,395,720.76 and 6,387,868.73
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Solution
The fourth proportional to 8,970,671.99, 12,395,720.76 and 6,387,868.73 is: 8,826,789.91
Step by Step Solution
- Step 1: Write the proportion equation
8,970,671.99 : 12,395,720.76 = 6,387,868.73 : x - Step 2: Convert to fraction form
8,970,671.99/12,395,720.76 = 6,387,868.73/x - Step 3: Cross multiply
8,970,671.99x = 12,395,720.76 × 6,387,868.73 - Step 4: Simplify right side
8,970,671.99x = 79,182,237,028,615.84 - Step 5: Solve for x
x = 79,182,237,028,615.84/8,970,671.99 - Step 6: Final answer
x = 8,826,789.91
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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.