Finding the Fourth Proportional to 14,283,407.84, 19,717,134.60 and 9,643,478.36
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Solution
The fourth proportional to 14,283,407.84, 19,717,134.60 and 9,643,478.36 is: 13,312,072.51
Step by Step Solution
- Step 1: Write the proportion equation
14,283,407.84 : 19,717,134.60 = 9,643,478.36 : x - Step 2: Convert to fraction form
14,283,407.84/19,717,134.60 = 9,643,478.36/x - Step 3: Cross multiply
14,283,407.84x = 19,717,134.60 × 9,643,478.36 - Step 4: Simplify right side
14,283,407.84x = 190,141,760,836,307.25 - Step 5: Solve for x
x = 190,141,760,836,307.25/14,283,407.84 - Step 6: Final answer
x = 13,312,072.51
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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.