Finding the Fourth Proportional to 13,106,220.14, 19,645,129.28 and 6,707,699.66
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Solution
The fourth proportional to 13,106,220.14, 19,645,129.28 and 6,707,699.66 is: 10,054,281.52
Step by Step Solution
- Step 1: Write the proportion equation
13,106,220.14 : 19,645,129.28 = 6,707,699.66 : x - Step 2: Convert to fraction form
13,106,220.14/19,645,129.28 = 6,707,699.66/x - Step 3: Cross multiply
13,106,220.14x = 19,645,129.28 × 6,707,699.66 - Step 4: Simplify right side
13,106,220.14x = 131,773,626,992,112.06 - Step 5: Solve for x
x = 131,773,626,992,112.06/13,106,220.14 - Step 6: Final answer
x = 10,054,281.52
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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.