Finding the Fourth Proportional to 15,422,035.68, 21,282,641.99 and 8,452,657.47
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Solution
The fourth proportional to 15,422,035.68, 21,282,641.99 and 8,452,657.47 is: 11,664,794.88
Step by Step Solution
- Step 1: Write the proportion equation
15,422,035.68 : 21,282,641.99 = 8,452,657.47 : x - Step 2: Convert to fraction form
15,422,035.68/21,282,641.99 = 8,452,657.47/x - Step 3: Cross multiply
15,422,035.68x = 21,282,641.99 × 8,452,657.47 - Step 4: Simplify right side
15,422,035.68x = 179,894,882,798,109.16 - Step 5: Solve for x
x = 179,894,882,798,109.16/15,422,035.68 - Step 6: Final answer
x = 11,664,794.88
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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.