Finding the Fourth Proportional to 13,990,947.37, 19,307,248.68 and 7,625,857.10
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Solution
The fourth proportional to 13,990,947.37, 19,307,248.68 and 7,625,857.10 is: 10,523,541.80
Step by Step Solution
- Step 1: Write the proportion equation
13,990,947.37 : 19,307,248.68 = 7,625,857.10 : x - Step 2: Convert to fraction form
13,990,947.37/19,307,248.68 = 7,625,857.10/x - Step 3: Cross multiply
13,990,947.37x = 19,307,248.68 × 7,625,857.10 - Step 4: Simplify right side
13,990,947.37x = 147,234,319,486,066.41 - Step 5: Solve for x
x = 147,234,319,486,066.41/13,990,947.37 - Step 6: Final answer
x = 10,523,541.80
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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.