Finding the Fourth Proportional to 48,207,975.30, 72,312,551.55 and 14,130,010.62
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Solution
The fourth proportional to 48,207,975.30, 72,312,551.55 and 14,130,010.62 is: 21,195,188.45
Step by Step Solution
- Step 1: Write the proportion equation
48,207,975.30 : 72,312,551.55 = 14,130,010.62 : x - Step 2: Convert to fraction form
48,207,975.30/72,312,551.55 = 14,130,010.62/x - Step 3: Cross multiply
48,207,975.30x = 72,312,551.55 × 14,130,010.62 - Step 4: Simplify right side
48,207,975.30x = 1,021,777,121,360,797.38 - Step 5: Solve for x
x = 1,021,777,121,360,797.38/48,207,975.30 - Step 6: Final answer
x = 21,195,188.45
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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.