Finding the Fourth Proportional to 13,066,207.71, 19,601,927.76 and 7,317,117.09
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Solution
The fourth proportional to 13,066,207.71, 19,601,927.76 and 7,317,117.09 is: 10,977,140.71
Step by Step Solution
- Step 1: Write the proportion equation
13,066,207.71 : 19,601,927.76 = 7,317,117.09 : x - Step 2: Convert to fraction form
13,066,207.71/19,601,927.76 = 7,317,117.09/x - Step 3: Cross multiply
13,066,207.71x = 19,601,927.76 × 7,317,117.09 - Step 4: Simplify right side
13,066,207.71x = 143,429,600,609,641.44 - Step 5: Solve for x
x = 143,429,600,609,641.44/13,066,207.71 - Step 6: Final answer
x = 10,977,140.71
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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.