Finding the Fourth Proportional to 16,294,970.37, 22,486,697.55 and 8,852,440.11
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Solution
The fourth proportional to 16,294,970.37, 22,486,697.55 and 8,852,440.11 is: 12,216,170.93
Step by Step Solution
- Step 1: Write the proportion equation
16,294,970.37 : 22,486,697.55 = 8,852,440.11 : x - Step 2: Convert to fraction form
16,294,970.37/22,486,697.55 = 8,852,440.11/x - Step 3: Cross multiply
16,294,970.37x = 22,486,697.55 × 8,852,440.11 - Step 4: Simplify right side
16,294,970.37x = 199,062,143,311,977.47 - Step 5: Solve for x
x = 199,062,143,311,977.47/16,294,970.37 - Step 6: Final answer
x = 12,216,170.93
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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.