Finding the Fourth Proportional to 14,651,023.60, 20,218,029.54 and 8,124,636.52
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Solution
The fourth proportional to 14,651,023.60, 20,218,029.54 and 8,124,636.52 is: 11,211,785.99
Step by Step Solution
- Step 1: Write the proportion equation
14,651,023.60 : 20,218,029.54 = 8,124,636.52 : x - Step 2: Convert to fraction form
14,651,023.60/20,218,029.54 = 8,124,636.52/x - Step 3: Cross multiply
14,651,023.60x = 20,218,029.54 × 8,124,636.52 - Step 4: Simplify right side
14,651,023.60x = 164,264,141,163,122.78 - Step 5: Solve for x
x = 164,264,141,163,122.78/14,651,023.60 - Step 6: Final answer
x = 11,211,785.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.