Finding the Fourth Proportional to 10,379,637.10, 15,570,943.65 and 3,191,774.70
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Solution
The fourth proportional to 10,379,637.10, 15,570,943.65 and 3,191,774.70 is: 4,788,119.62
Step by Step Solution
- Step 1: Write the proportion equation
10,379,637.10 : 15,570,943.65 = 3,191,774.70 : x - Step 2: Convert to fraction form
10,379,637.10/15,570,943.65 = 3,191,774.70/x - Step 3: Cross multiply
10,379,637.10x = 15,570,943.65 × 3,191,774.70 - Step 4: Simplify right side
10,379,637.10x = 49,698,943,997,195.66 - Step 5: Solve for x
x = 49,698,943,997,195.66/10,379,637.10 - Step 6: Final answer
x = 4,788,119.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.