Finding the Fourth Proportional to 13,862,331.63, 19,124,159.94 and 9,280,129.23
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Solution
The fourth proportional to 13,862,331.63, 19,124,159.94 and 9,280,129.23 is: 12,802,656.90
Step by Step Solution
- Step 1: Write the proportion equation
13,862,331.63 : 19,124,159.94 = 9,280,129.23 : x - Step 2: Convert to fraction form
13,862,331.63/19,124,159.94 = 9,280,129.23/x - Step 3: Cross multiply
13,862,331.63x = 19,124,159.94 × 9,280,129.23 - Step 4: Simplify right side
13,862,331.63x = 177,474,675,658,389.06 - Step 5: Solve for x
x = 177,474,675,658,389.06/13,862,331.63 - Step 6: Final answer
x = 12,802,656.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.