Finding the Fourth Proportional to 13,283,726.36, 19,908,481.66 and 6,447,069.05
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Solution
The fourth proportional to 13,283,726.36, 19,908,481.66 and 6,447,069.05 is: 9,662,300.50
Step by Step Solution
- Step 1: Write the proportion equation
13,283,726.36 : 19,908,481.66 = 6,447,069.05 : x - Step 2: Convert to fraction form
13,283,726.36/19,908,481.66 = 6,447,069.05/x - Step 3: Cross multiply
13,283,726.36x = 19,908,481.66 × 6,447,069.05 - Step 4: Simplify right side
13,283,726.36x = 128,351,355,827,018.53 - Step 5: Solve for x
x = 128,351,355,827,018.53/13,283,726.36 - Step 6: Final answer
x = 9,662,300.50
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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.