Finding the Fourth Proportional to 52,670,878.08, 78,989,919.48 and 18,584,237.76
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Solution
The fourth proportional to 52,670,878.08, 78,989,919.48 and 18,584,237.76 is: 27,870,570.94
Step by Step Solution
- Step 1: Write the proportion equation
52,670,878.08 : 78,989,919.48 = 18,584,237.76 : x - Step 2: Convert to fraction form
52,670,878.08/78,989,919.48 = 18,584,237.76/x - Step 3: Cross multiply
52,670,878.08x = 78,989,919.48 × 18,584,237.76 - Step 4: Simplify right side
52,670,878.08x = 1,467,967,444,259,575.75 - Step 5: Solve for x
x = 1,467,967,444,259,575.75/52,670,878.08 - Step 6: Final answer
x = 27,870,570.94
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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.