Finding the Fourth Proportional to 19,963,205.40, 29,888,820.90 and 19,403,333.40
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Solution
The fourth proportional to 19,963,205.40, 29,888,820.90 and 19,403,333.40 is: 29,050,583.07
Step by Step Solution
- Step 1: Write the proportion equation
19,963,205.40 : 29,888,820.90 = 19,403,333.40 : x - Step 2: Convert to fraction form
19,963,205.40/29,888,820.90 = 19,403,333.40/x - Step 3: Cross multiply
19,963,205.40x = 29,888,820.90 × 19,403,333.40 - Step 4: Simplify right side
19,963,205.40x = 579,942,756,855,588 - Step 5: Solve for x
x = 579,942,756,855,588/19,963,205.40 - Step 6: Final answer
x = 29,050,583.07
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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.