Finding the Fourth Proportional to 14,236,113.65, 19,645,594.08 and 7,709,690.12
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Solution
The fourth proportional to 14,236,113.65, 19,645,594.08 and 7,709,690.12 is: 10,639,240.90
Step by Step Solution
- Step 1: Write the proportion equation
14,236,113.65 : 19,645,594.08 = 7,709,690.12 : x - Step 2: Convert to fraction form
14,236,113.65/19,645,594.08 = 7,709,690.12/x - Step 3: Cross multiply
14,236,113.65x = 19,645,594.08 × 7,709,690.12 - Step 4: Simplify right side
14,236,113.65x = 151,461,442,580,106.47 - Step 5: Solve for x
x = 151,461,442,580,106.47/14,236,113.65 - Step 6: Final answer
x = 10,639,240.90
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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.