Finding the Fourth Proportional to 13,645,314.74, 20,466,569.48 and 4,546,429.62
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Solution
The fourth proportional to 13,645,314.74, 20,466,569.48 and 4,546,429.62 is: 6,819,177.09
Step by Step Solution
- Step 1: Write the proportion equation
13,645,314.74 : 20,466,569.48 = 4,546,429.62 : x - Step 2: Convert to fraction form
13,645,314.74/20,466,569.48 = 4,546,429.62/x - Step 3: Cross multiply
13,645,314.74x = 20,466,569.48 × 4,546,429.62 - Step 4: Simplify right side
13,645,314.74x = 93,049,817,703,660 - Step 5: Solve for x
x = 93,049,817,703,660/13,645,314.74 - Step 6: Final answer
x = 6,819,177.09
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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.