Finding the Fourth Proportional to 15,039,515.94, 22,567,805.96 and 8,122,909.74
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Solution
The fourth proportional to 15,039,515.94, 22,567,805.96 and 8,122,909.74 is: 12,188,972.81
Step by Step Solution
- Step 1: Write the proportion equation
15,039,515.94 : 22,567,805.96 = 8,122,909.74 : x - Step 2: Convert to fraction form
15,039,515.94/22,567,805.96 = 8,122,909.74/x - Step 3: Cross multiply
15,039,515.94x = 22,567,805.96 × 8,122,909.74 - Step 4: Simplify right side
15,039,515.94x = 183,316,250,842,914.06 - Step 5: Solve for x
x = 183,316,250,842,914.06/15,039,515.94 - Step 6: Final answer
x = 12,188,972.81
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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.