Finding the Fourth Proportional to 12,216,135.06, 18,317,923.47 and 6,461,963.10
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Solution
The fourth proportional to 12,216,135.06, 18,317,923.47 and 6,461,963.10 is: 9,689,623.19
Step by Step Solution
- Step 1: Write the proportion equation
12,216,135.06 : 18,317,923.47 = 6,461,963.10 : x - Step 2: Convert to fraction form
12,216,135.06/18,317,923.47 = 6,461,963.10/x - Step 3: Cross multiply
12,216,135.06x = 18,317,923.47 × 6,461,963.10 - Step 4: Simplify right side
12,216,135.06x = 118,369,745,531,763.94 - Step 5: Solve for x
x = 118,369,745,531,763.94/12,216,135.06 - Step 6: Final answer
x = 9,689,623.19
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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.