Finding the Fourth Proportional to 13,265,215.50, 19,901,884.08 and 6,792,873.49
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Solution
The fourth proportional to 13,265,215.50, 19,901,884.08 and 6,792,873.49 is: 10,191,389.71
Step by Step Solution
- Step 1: Write the proportion equation
13,265,215.50 : 19,901,884.08 = 6,792,873.49 : x - Step 2: Convert to fraction form
13,265,215.50/19,901,884.08 = 6,792,873.49/x - Step 3: Cross multiply
13,265,215.50x = 19,901,884.08 × 6,792,873.49 - Step 4: Simplify right side
13,265,215.50x = 135,190,980,768,085.03 - Step 5: Solve for x
x = 135,190,980,768,085.03/13,265,215.50 - Step 6: Final answer
x = 10,191,389.71
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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.