Finding the Fourth Proportional to 42,136,815.09, 63,205,224.01 and 11,844,678.09
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Solution
The fourth proportional to 42,136,815.09, 63,205,224.01 and 11,844,678.09 is: 17,767,017.52
Step by Step Solution
- Step 1: Write the proportion equation
42,136,815.09 : 63,205,224.01 = 11,844,678.09 : x - Step 2: Convert to fraction form
42,136,815.09/63,205,224.01 = 11,844,678.09/x - Step 3: Cross multiply
42,136,815.09x = 63,205,224.01 × 11,844,678.09 - Step 4: Simplify right side
42,136,815.09x = 748,645,532,212,196.88 - Step 5: Solve for x
x = 748,645,532,212,196.88/42,136,815.09 - Step 6: Final answer
x = 17,767,017.52
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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.