Finding the Fourth Proportional to 7,624,938.16, 11,437,406.97 and 3,584,215.09
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Solution
The fourth proportional to 7,624,938.16, 11,437,406.97 and 3,584,215.09 is: 5,376,322.51
Step by Step Solution
- Step 1: Write the proportion equation
7,624,938.16 : 11,437,406.97 = 3,584,215.09 : x - Step 2: Convert to fraction form
7,624,938.16/11,437,406.97 = 3,584,215.09/x - Step 3: Cross multiply
7,624,938.16x = 11,437,406.97 × 3,584,215.09 - Step 4: Simplify right side
7,624,938.16x = 40,994,126,652,345.18 - Step 5: Solve for x
x = 40,994,126,652,345.18/7,624,938.16 - Step 6: Final answer
x = 5,376,322.51
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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.