Finding the Fourth Proportional to 38,249,053.38, 52,782,153.93 and 20,845,024.02
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Solution
The fourth proportional to 38,249,053.38, 52,782,153.93 and 20,845,024.02 is: 28,765,294.02
Step by Step Solution
- Step 1: Write the proportion equation
38,249,053.38 : 52,782,153.93 = 20,845,024.02 : x - Step 2: Convert to fraction form
38,249,053.38/52,782,153.93 = 20,845,024.02/x - Step 3: Cross multiply
38,249,053.38x = 52,782,153.93 × 20,845,024.02 - Step 4: Simplify right side
38,249,053.38x = 1,100,245,266,498,187.38 - Step 5: Solve for x
x = 1,100,245,266,498,187.38/38,249,053.38 - Step 6: Final answer
x = 28,765,294.02
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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.